Home / 42,433.20-63,670.44-17,131.68

Finding the Fourth Proportional to 42,433.20, 63,670.44 and 17,131.68

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Solution

The fourth proportional to 42,433.20, 63,670.44 and 17,131.68 is: 25,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,433.20 : 63,670.44 = 17,131.68 : x
  2. Step 2: Convert to fraction form
    42,433.20/63,670.44 = 17,131.68/x
  3. Step 3: Cross multiply
    42,433.20x = 63,670.44 × 17,131.68
  4. Step 4: Simplify right side
    42,433.20x = 1,090,781,603.54
  5. Step 5: Solve for x
    x = 1,090,781,603.54/42,433.20
  6. Step 6: Final answer
    x = 25,705.85

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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.