Home / 63,904.80-95,785.20-30,640.80

Finding the Fourth Proportional to 63,904.80, 95,785.20 and 30,640.80

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Solution

The fourth proportional to 63,904.80, 95,785.20 and 30,640.80 is: 45,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,904.80 : 95,785.20 = 30,640.80 : x
  2. Step 2: Convert to fraction form
    63,904.80/95,785.20 = 30,640.80/x
  3. Step 3: Cross multiply
    63,904.80x = 95,785.20 × 30,640.80
  4. Step 4: Simplify right side
    63,904.80x = 2,934,935,156.16
  5. Step 5: Solve for x
    x = 2,934,935,156.16/63,904.80
  6. Step 6: Final answer
    x = 45,926.68

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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.