Home / 42,124.68-63,132.48-17,135.64

Finding the Fourth Proportional to 42,124.68, 63,132.48 and 17,135.64

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Solution

The fourth proportional to 42,124.68, 63,132.48 and 17,135.64 is: 25,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,124.68 : 63,132.48 = 17,135.64 : x
  2. Step 2: Convert to fraction form
    42,124.68/63,132.48 = 17,135.64/x
  3. Step 3: Cross multiply
    42,124.68x = 63,132.48 × 17,135.64
  4. Step 4: Simplify right side
    42,124.68x = 1,081,815,449.59
  5. Step 5: Solve for x
    x = 1,081,815,449.59/42,124.68
  6. Step 6: Final answer
    x = 25,681.27

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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.