Home / 47,448.29-71,171.05-12,387.95

Finding the Fourth Proportional to 47,448.29, 71,171.05 and 12,387.95

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Solution

The fourth proportional to 47,448.29, 71,171.05 and 12,387.95 is: 18,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,448.29 : 71,171.05 = 12,387.95 : x
  2. Step 2: Convert to fraction form
    47,448.29/71,171.05 = 12,387.95/x
  3. Step 3: Cross multiply
    47,448.29x = 71,171.05 × 12,387.95
  4. Step 4: Simplify right side
    47,448.29x = 881,663,022.02
  5. Step 5: Solve for x
    x = 881,663,022.02/47,448.29
  6. Step 6: Final answer
    x = 18,581.55

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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.