Home / 47,434.38-71,146.80-12,374.10

Finding the Fourth Proportional to 47,434.38, 71,146.80 and 12,374.10

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Solution

The fourth proportional to 47,434.38, 71,146.80 and 12,374.10 is: 18,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,434.38 : 71,146.80 = 12,374.10 : x
  2. Step 2: Convert to fraction form
    47,434.38/71,146.80 = 12,374.10/x
  3. Step 3: Cross multiply
    47,434.38x = 71,146.80 × 12,374.10
  4. Step 4: Simplify right side
    47,434.38x = 880,377,617.88
  5. Step 5: Solve for x
    x = 880,377,617.88/47,434.38
  6. Step 6: Final answer
    x = 18,559.91

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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.