Home / 47,766.48-71,440.14-42,538.34

Finding the Fourth Proportional to 47,766.48, 71,440.14 and 42,538.34

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Solution

The fourth proportional to 47,766.48, 71,440.14 and 42,538.34 is: 63,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,766.48 : 71,440.14 = 42,538.34 : x
  2. Step 2: Convert to fraction form
    47,766.48/71,440.14 = 42,538.34/x
  3. Step 3: Cross multiply
    47,766.48x = 71,440.14 × 42,538.34
  4. Step 4: Simplify right side
    47,766.48x = 3,038,944,964.97
  5. Step 5: Solve for x
    x = 3,038,944,964.97/47,766.48
  6. Step 6: Final answer
    x = 63,620.87

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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.