Home / 42,015.43-62,988.90-19,540.29

Finding the Fourth Proportional to 42,015.43, 62,988.90 and 19,540.29

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Solution

The fourth proportional to 42,015.43, 62,988.90 and 19,540.29 is: 29,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.43 : 62,988.90 = 19,540.29 : x
  2. Step 2: Convert to fraction form
    42,015.43/62,988.90 = 19,540.29/x
  3. Step 3: Cross multiply
    42,015.43x = 62,988.90 × 19,540.29
  4. Step 4: Simplify right side
    42,015.43x = 1,230,821,372.78
  5. Step 5: Solve for x
    x = 1,230,821,372.78/42,015.43
  6. Step 6: Final answer
    x = 29,294.51

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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.