Home / 38,544.04-53,190.30-21,777.04

Finding the Fourth Proportional to 38,544.04, 53,190.30 and 21,777.04

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Solution

The fourth proportional to 38,544.04, 53,190.30 and 21,777.04 is: 30,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,544.04 : 53,190.30 = 21,777.04 : x
  2. Step 2: Convert to fraction form
    38,544.04/53,190.30 = 21,777.04/x
  3. Step 3: Cross multiply
    38,544.04x = 53,190.30 × 21,777.04
  4. Step 4: Simplify right side
    38,544.04x = 1,158,327,290.71
  5. Step 5: Solve for x
    x = 1,158,327,290.71/38,544.04
  6. Step 6: Final answer
    x = 30,052.05

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Half scale
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Double scale
Find fourth proportional to 38,545.04, 53,191.68 and 21,778.04
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.