Home / 63,306.83-87,380.70-39,419.39

Finding the Fourth Proportional to 63,306.83, 87,380.70 and 39,419.39

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Solution

The fourth proportional to 63,306.83, 87,380.70 and 39,419.39 is: 54,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,306.83 : 87,380.70 = 39,419.39 : x
  2. Step 2: Convert to fraction form
    63,306.83/87,380.70 = 39,419.39/x
  3. Step 3: Cross multiply
    63,306.83x = 87,380.70 × 39,419.39
  4. Step 4: Simplify right side
    63,306.83x = 3,444,493,891.77
  5. Step 5: Solve for x
    x = 3,444,493,891.77/63,306.83
  6. Step 6: Final answer
    x = 54,409.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.