Home / 42,147.64-63,221.52-17,201.26

Finding the Fourth Proportional to 42,147.64, 63,221.52 and 17,201.26

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Solution

The fourth proportional to 42,147.64, 63,221.52 and 17,201.26 is: 25,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,147.64 : 63,221.52 = 17,201.26 : x
  2. Step 2: Convert to fraction form
    42,147.64/63,221.52 = 17,201.26/x
  3. Step 3: Cross multiply
    42,147.64x = 63,221.52 × 17,201.26
  4. Step 4: Simplify right side
    42,147.64x = 1,087,489,803.12
  5. Step 5: Solve for x
    x = 1,087,489,803.12/42,147.64
  6. Step 6: Final answer
    x = 25,801.91

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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.