Home / 39,614.67-54,669.87-21,711.24

Finding the Fourth Proportional to 39,614.67, 54,669.87 and 21,711.24

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Solution

The fourth proportional to 39,614.67, 54,669.87 and 21,711.24 is: 29,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,614.67 : 54,669.87 = 21,711.24 : x
  2. Step 2: Convert to fraction form
    39,614.67/54,669.87 = 21,711.24/x
  3. Step 3: Cross multiply
    39,614.67x = 54,669.87 × 21,711.24
  4. Step 4: Simplify right side
    39,614.67x = 1,186,950,668.34
  5. Step 5: Solve for x
    x = 1,186,950,668.34/39,614.67
  6. Step 6: Final answer
    x = 29,962.40

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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.