Home / 38,618.13-57,908.67-16,419.47

Finding the Fourth Proportional to 38,618.13, 57,908.67 and 16,419.47

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Solution

The fourth proportional to 38,618.13, 57,908.67 and 16,419.47 is: 24,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,618.13 : 57,908.67 = 16,419.47 : x
  2. Step 2: Convert to fraction form
    38,618.13/57,908.67 = 16,419.47/x
  3. Step 3: Cross multiply
    38,618.13x = 57,908.67 × 16,419.47
  4. Step 4: Simplify right side
    38,618.13x = 950,829,669.80
  5. Step 5: Solve for x
    x = 950,829,669.80/38,618.13
  6. Step 6: Final answer
    x = 24,621.33

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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.