Home / 39,542.20-54,569.46-21,637.96

Finding the Fourth Proportional to 39,542.20, 54,569.46 and 21,637.96

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Solution

The fourth proportional to 39,542.20, 54,569.46 and 21,637.96 is: 29,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,542.20 : 54,569.46 = 21,637.96 : x
  2. Step 2: Convert to fraction form
    39,542.20/54,569.46 = 21,637.96/x
  3. Step 3: Cross multiply
    39,542.20x = 54,569.46 × 21,637.96
  4. Step 4: Simplify right side
    39,542.20x = 1,180,771,792.70
  5. Step 5: Solve for x
    x = 1,180,771,792.70/39,542.20
  6. Step 6: Final answer
    x = 29,861.05

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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.