Home / 47,438.17-71,149.01-17,856.22

Finding the Fourth Proportional to 47,438.17, 71,149.01 and 17,856.22

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Solution

The fourth proportional to 47,438.17, 71,149.01 and 17,856.22 is: 26,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,438.17 : 71,149.01 = 17,856.22 : x
  2. Step 2: Convert to fraction form
    47,438.17/71,149.01 = 17,856.22/x
  3. Step 3: Cross multiply
    47,438.17x = 71,149.01 × 17,856.22
  4. Step 4: Simplify right side
    47,438.17x = 1,270,452,375.34
  5. Step 5: Solve for x
    x = 1,270,452,375.34/47,438.17
  6. Step 6: Final answer
    x = 26,781.23

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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.