Home / 47,419.38-71,129.07-14,162.81

Finding the Fourth Proportional to 47,419.38, 71,129.07 and 14,162.81

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Solution

The fourth proportional to 47,419.38, 71,129.07 and 14,162.81 is: 21,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,419.38 : 71,129.07 = 14,162.81 : x
  2. Step 2: Convert to fraction form
    47,419.38/71,129.07 = 14,162.81/x
  3. Step 3: Cross multiply
    47,419.38x = 71,129.07 × 14,162.81
  4. Step 4: Simplify right side
    47,419.38x = 1,007,387,148.24
  5. Step 5: Solve for x
    x = 1,007,387,148.24/47,419.38
  6. Step 6: Final answer
    x = 21,244.21

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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.