Home / 42,321.65-63,419.90-39,954.83

Finding the Fourth Proportional to 42,321.65, 63,419.90 and 39,954.83

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Solution

The fourth proportional to 42,321.65, 63,419.90 and 39,954.83 is: 59,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,321.65 : 63,419.90 = 39,954.83 : x
  2. Step 2: Convert to fraction form
    42,321.65/63,419.90 = 39,954.83/x
  3. Step 3: Cross multiply
    42,321.65x = 63,419.90 × 39,954.83
  4. Step 4: Simplify right side
    42,321.65x = 2,533,930,806.24
  5. Step 5: Solve for x
    x = 2,533,930,806.24/42,321.65
  6. Step 6: Final answer
    x = 59,873.16

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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.