Home / 50,442.19-69,615.08-28,086.19

Finding the Fourth Proportional to 50,442.19, 69,615.08 and 28,086.19

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Solution

The fourth proportional to 50,442.19, 69,615.08 and 28,086.19 is: 38,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,442.19 : 69,615.08 = 28,086.19 : x
  2. Step 2: Convert to fraction form
    50,442.19/69,615.08 = 28,086.19/x
  3. Step 3: Cross multiply
    50,442.19x = 69,615.08 × 28,086.19
  4. Step 4: Simplify right side
    50,442.19x = 1,955,222,259.92
  5. Step 5: Solve for x
    x = 1,955,222,259.92/50,442.19
  6. Step 6: Final answer
    x = 38,761.65

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Half scale
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Double scale
Find fourth proportional to 50,443.19, 69,616.46 and 28,087.19
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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.