Home / 47,902.55-71,890.70-38,565.41

Finding the Fourth Proportional to 47,902.55, 71,890.70 and 38,565.41

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Solution

The fourth proportional to 47,902.55, 71,890.70 and 38,565.41 is: 57,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,902.55 : 71,890.70 = 38,565.41 : x
  2. Step 2: Convert to fraction form
    47,902.55/71,890.70 = 38,565.41/x
  3. Step 3: Cross multiply
    47,902.55x = 71,890.70 × 38,565.41
  4. Step 4: Simplify right side
    47,902.55x = 2,772,493,768.41
  5. Step 5: Solve for x
    x = 2,772,493,768.41/47,902.55
  6. Step 6: Final answer
    x = 57,877.80

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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.