Home / 63,685.12-95,382-30,428.56

Finding the Fourth Proportional to 63,685.12, 95,382 and 30,428.56

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Solution

The fourth proportional to 63,685.12, 95,382 and 30,428.56 is: 45,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,685.12 : 95,382 = 30,428.56 : x
  2. Step 2: Convert to fraction form
    63,685.12/95,382 = 30,428.56/x
  3. Step 3: Cross multiply
    63,685.12x = 95,382 × 30,428.56
  4. Step 4: Simplify right side
    63,685.12x = 2,902,336,909.92
  5. Step 5: Solve for x
    x = 2,902,336,909.92/63,685.12
  6. Step 6: Final answer
    x = 45,573.23

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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.