Home / 63,155.20-94,712.30-21,023.97

Finding the Fourth Proportional to 63,155.20, 94,712.30 and 21,023.97

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Solution

The fourth proportional to 63,155.20, 94,712.30 and 21,023.97 is: 31,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,155.20 : 94,712.30 = 21,023.97 : x
  2. Step 2: Convert to fraction form
    63,155.20/94,712.30 = 21,023.97/x
  3. Step 3: Cross multiply
    63,155.20x = 94,712.30 × 21,023.97
  4. Step 4: Simplify right side
    63,155.20x = 1,991,227,975.15
  5. Step 5: Solve for x
    x = 1,991,227,975.15/63,155.20
  6. Step 6: Final answer
    x = 31,529.12

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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.