Home / 39,614.19-54,668.85-21,710.29

Finding the Fourth Proportional to 39,614.19, 54,668.85 and 21,710.29

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Solution

The fourth proportional to 39,614.19, 54,668.85 and 21,710.29 is: 29,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,614.19 : 54,668.85 = 21,710.29 : x
  2. Step 2: Convert to fraction form
    39,614.19/54,668.85 = 21,710.29/x
  3. Step 3: Cross multiply
    39,614.19x = 54,668.85 × 21,710.29
  4. Step 4: Simplify right side
    39,614.19x = 1,186,876,450.79
  5. Step 5: Solve for x
    x = 1,186,876,450.79/39,614.19
  6. Step 6: Final answer
    x = 29,960.89

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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.