Home / 47,375.89-71,071.13-15,775.12

Finding the Fourth Proportional to 47,375.89, 71,071.13 and 15,775.12

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Solution

The fourth proportional to 47,375.89, 71,071.13 and 15,775.12 is: 23,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,375.89 : 71,071.13 = 15,775.12 : x
  2. Step 2: Convert to fraction form
    47,375.89/71,071.13 = 15,775.12/x
  3. Step 3: Cross multiply
    47,375.89x = 71,071.13 × 15,775.12
  4. Step 4: Simplify right side
    47,375.89x = 1,121,155,604.29
  5. Step 5: Solve for x
    x = 1,121,155,604.29/47,375.89
  6. Step 6: Final answer
    x = 23,665.11

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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.