Home / 39,472.04-54,470.43-21,567.14

Finding the Fourth Proportional to 39,472.04, 54,470.43 and 21,567.14

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Solution

The fourth proportional to 39,472.04, 54,470.43 and 21,567.14 is: 29,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,472.04 : 54,470.43 = 21,567.14 : x
  2. Step 2: Convert to fraction form
    39,472.04/54,470.43 = 21,567.14/x
  3. Step 3: Cross multiply
    39,472.04x = 54,470.43 × 21,567.14
  4. Step 4: Simplify right side
    39,472.04x = 1,174,771,389.67
  5. Step 5: Solve for x
    x = 1,174,771,389.67/39,472.04
  6. Step 6: Final answer
    x = 29,762.11

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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.