Home / 47,444.28-71,167.67-20,776.55

Finding the Fourth Proportional to 47,444.28, 71,167.67 and 20,776.55

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Solution

The fourth proportional to 47,444.28, 71,167.67 and 20,776.55 is: 31,165.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,444.28 : 71,167.67 = 20,776.55 : x
  2. Step 2: Convert to fraction form
    47,444.28/71,167.67 = 20,776.55/x
  3. Step 3: Cross multiply
    47,444.28x = 71,167.67 × 20,776.55
  4. Step 4: Simplify right side
    47,444.28x = 1,478,618,194.42
  5. Step 5: Solve for x
    x = 1,478,618,194.42/47,444.28
  6. Step 6: Final answer
    x = 31,165.37

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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.