Home / 42,389.60-63,599.99-17,422.97

Finding the Fourth Proportional to 42,389.60, 63,599.99 and 17,422.97

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Solution

The fourth proportional to 42,389.60, 63,599.99 and 17,422.97 is: 26,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,389.60 : 63,599.99 = 17,422.97 : x
  2. Step 2: Convert to fraction form
    42,389.60/63,599.99 = 17,422.97/x
  3. Step 3: Cross multiply
    42,389.60x = 63,599.99 × 17,422.97
  4. Step 4: Simplify right side
    42,389.60x = 1,108,100,312.66
  5. Step 5: Solve for x
    x = 1,108,100,312.66/42,389.60
  6. Step 6: Final answer
    x = 26,140.86

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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.