Home / 39,668.38-59,471.04-19,663.80

Finding the Fourth Proportional to 39,668.38, 59,471.04 and 19,663.80

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Solution

The fourth proportional to 39,668.38, 59,471.04 and 19,663.80 is: 29,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,668.38 : 59,471.04 = 19,663.80 : x
  2. Step 2: Convert to fraction form
    39,668.38/59,471.04 = 19,663.80/x
  3. Step 3: Cross multiply
    39,668.38x = 59,471.04 × 19,663.80
  4. Step 4: Simplify right side
    39,668.38x = 1,169,426,636.35
  5. Step 5: Solve for x
    x = 1,169,426,636.35/39,668.38
  6. Step 6: Final answer
    x = 29,480.07

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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.