Home / 42,135.02-63,201.30-17,168.90

Finding the Fourth Proportional to 42,135.02, 63,201.30 and 17,168.90

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Solution

The fourth proportional to 42,135.02, 63,201.30 and 17,168.90 is: 25,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.02 : 63,201.30 = 17,168.90 : x
  2. Step 2: Convert to fraction form
    42,135.02/63,201.30 = 17,168.90/x
  3. Step 3: Cross multiply
    42,135.02x = 63,201.30 × 17,168.90
  4. Step 4: Simplify right side
    42,135.02x = 1,085,096,419.18
  5. Step 5: Solve for x
    x = 1,085,096,419.18/42,135.02
  6. Step 6: Final answer
    x = 25,752.84

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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.