Home / 50,225.20-75,337.81-39,140.19

Finding the Fourth Proportional to 50,225.20, 75,337.81 and 39,140.19

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Solution

The fourth proportional to 50,225.20, 75,337.81 and 39,140.19 is: 58,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,225.20 : 75,337.81 = 39,140.19 : x
  2. Step 2: Convert to fraction form
    50,225.20/75,337.81 = 39,140.19/x
  3. Step 3: Cross multiply
    50,225.20x = 75,337.81 × 39,140.19
  4. Step 4: Simplify right side
    50,225.20x = 2,948,736,099.73
  5. Step 5: Solve for x
    x = 2,948,736,099.73/50,225.20
  6. Step 6: Final answer
    x = 58,710.29

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.