Home / 38,412.45-53,009.58-22,280.85

Finding the Fourth Proportional to 38,412.45, 53,009.58 and 22,280.85

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Solution

The fourth proportional to 38,412.45, 53,009.58 and 22,280.85 is: 30,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.45 : 53,009.58 = 22,280.85 : x
  2. Step 2: Convert to fraction form
    38,412.45/53,009.58 = 22,280.85/x
  3. Step 3: Cross multiply
    38,412.45x = 53,009.58 × 22,280.85
  4. Step 4: Simplify right side
    38,412.45x = 1,181,098,500.54
  5. Step 5: Solve for x
    x = 1,181,098,500.54/38,412.45
  6. Step 6: Final answer
    x = 30,747.80

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Half scale
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Double scale
Find fourth proportional to 38,413.45, 53,010.96 and 22,281.85
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.