Home / 63,282.06-94,891.05-21,147.12

Finding the Fourth Proportional to 63,282.06, 94,891.05 and 21,147.12

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Solution

The fourth proportional to 63,282.06, 94,891.05 and 21,147.12 is: 31,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,282.06 : 94,891.05 = 21,147.12 : x
  2. Step 2: Convert to fraction form
    63,282.06/94,891.05 = 21,147.12/x
  3. Step 3: Cross multiply
    63,282.06x = 94,891.05 × 21,147.12
  4. Step 4: Simplify right side
    63,282.06x = 2,006,672,421.28
  5. Step 5: Solve for x
    x = 2,006,672,421.28/63,282.06
  6. Step 6: Final answer
    x = 31,709.97

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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.