Home / 42,367.68-63,474.05-19,837.04

Finding the Fourth Proportional to 42,367.68, 63,474.05 and 19,837.04

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Solution

The fourth proportional to 42,367.68, 63,474.05 and 19,837.04 is: 29,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,367.68 : 63,474.05 = 19,837.04 : x
  2. Step 2: Convert to fraction form
    42,367.68/63,474.05 = 19,837.04/x
  3. Step 3: Cross multiply
    42,367.68x = 63,474.05 × 19,837.04
  4. Step 4: Simplify right side
    42,367.68x = 1,259,137,001.03
  5. Step 5: Solve for x
    x = 1,259,137,001.03/42,367.68
  6. Step 6: Final answer
    x = 29,719.28

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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.