Home / 47,865.55-71,836.60-21,572.34

Finding the Fourth Proportional to 47,865.55, 71,836.60 and 21,572.34

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Solution

The fourth proportional to 47,865.55, 71,836.60 and 21,572.34 is: 32,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,865.55 : 71,836.60 = 21,572.34 : x
  2. Step 2: Convert to fraction form
    47,865.55/71,836.60 = 21,572.34/x
  3. Step 3: Cross multiply
    47,865.55x = 71,836.60 × 21,572.34
  4. Step 4: Simplify right side
    47,865.55x = 1,549,683,620.18
  5. Step 5: Solve for x
    x = 1,549,683,620.18/47,865.55
  6. Step 6: Final answer
    x = 32,375.76

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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.