Home / 47,442.60-71,153.42-13,701.28

Finding the Fourth Proportional to 47,442.60, 71,153.42 and 13,701.28

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Solution

The fourth proportional to 47,442.60, 71,153.42 and 13,701.28 is: 20,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,442.60 : 71,153.42 = 13,701.28 : x
  2. Step 2: Convert to fraction form
    47,442.60/71,153.42 = 13,701.28/x
  3. Step 3: Cross multiply
    47,442.60x = 71,153.42 × 13,701.28
  4. Step 4: Simplify right side
    47,442.60x = 974,892,930.38
  5. Step 5: Solve for x
    x = 974,892,930.38/47,442.60
  6. Step 6: Final answer
    x = 20,548.89

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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.