Home / 63,034.12-94,557.26-20,905.21

Finding the Fourth Proportional to 63,034.12, 94,557.26 and 20,905.21

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Solution

The fourth proportional to 63,034.12, 94,557.26 and 20,905.21 is: 31,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,034.12 : 94,557.26 = 20,905.21 : x
  2. Step 2: Convert to fraction form
    63,034.12/94,557.26 = 20,905.21/x
  3. Step 3: Cross multiply
    63,034.12x = 94,557.26 × 20,905.21
  4. Step 4: Simplify right side
    63,034.12x = 1,976,739,377.32
  5. Step 5: Solve for x
    x = 1,976,739,377.32/63,034.12
  6. Step 6: Final answer
    x = 31,359.83

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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.