Home / 47,371.89-71,065.13-15,771.11

Finding the Fourth Proportional to 47,371.89, 71,065.13 and 15,771.11

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Solution

The fourth proportional to 47,371.89, 71,065.13 and 15,771.11 is: 23,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,371.89 : 71,065.13 = 15,771.11 : x
  2. Step 2: Convert to fraction form
    47,371.89/71,065.13 = 15,771.11/x
  3. Step 3: Cross multiply
    47,371.89x = 71,065.13 × 15,771.11
  4. Step 4: Simplify right side
    47,371.89x = 1,120,776,081.20
  5. Step 5: Solve for x
    x = 1,120,776,081.20/47,371.89
  6. Step 6: Final answer
    x = 23,659.10

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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.