Home / 42,743.09-64,122.17-14,666.13

Finding the Fourth Proportional to 42,743.09, 64,122.17 and 14,666.13

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Solution

The fourth proportional to 42,743.09, 64,122.17 and 14,666.13 is: 22,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,743.09 : 64,122.17 = 14,666.13 : x
  2. Step 2: Convert to fraction form
    42,743.09/64,122.17 = 14,666.13/x
  3. Step 3: Cross multiply
    42,743.09x = 64,122.17 × 14,666.13
  4. Step 4: Simplify right side
    42,743.09x = 940,424,007.77
  5. Step 5: Solve for x
    x = 940,424,007.77/42,743.09
  6. Step 6: Final answer
    x = 22,001.78

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1.5x scale

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.