Home / 63,479.20-95,218.32-19,105.76

Finding the Fourth Proportional to 63,479.20, 95,218.32 and 19,105.76

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Solution

The fourth proportional to 63,479.20, 95,218.32 and 19,105.76 is: 28,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,479.20 : 95,218.32 = 19,105.76 : x
  2. Step 2: Convert to fraction form
    63,479.20/95,218.32 = 19,105.76/x
  3. Step 3: Cross multiply
    63,479.20x = 95,218.32 × 19,105.76
  4. Step 4: Simplify right side
    63,479.20x = 1,819,218,369.52
  5. Step 5: Solve for x
    x = 1,819,218,369.52/63,479.20
  6. Step 6: Final answer
    x = 28,658.50

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1.5x scale

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.