Home / 63,478.98-95,218.81-19,105.43

Finding the Fourth Proportional to 63,478.98, 95,218.81 and 19,105.43

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Solution

The fourth proportional to 63,478.98, 95,218.81 and 19,105.43 is: 28,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,478.98 : 95,218.81 = 19,105.43 : x
  2. Step 2: Convert to fraction form
    63,478.98/95,218.81 = 19,105.43/x
  3. Step 3: Cross multiply
    63,478.98x = 95,218.81 × 19,105.43
  4. Step 4: Simplify right side
    63,478.98x = 1,819,195,785.28
  5. Step 5: Solve for x
    x = 1,819,195,785.28/63,478.98
  6. Step 6: Final answer
    x = 28,658.24

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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.