Home / 42,605.60-63,908.40-17,642.24

Finding the Fourth Proportional to 42,605.60, 63,908.40 and 17,642.24

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Solution

The fourth proportional to 42,605.60, 63,908.40 and 17,642.24 is: 26,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,605.60 : 63,908.40 = 17,642.24 : x
  2. Step 2: Convert to fraction form
    42,605.60/63,908.40 = 17,642.24/x
  3. Step 3: Cross multiply
    42,605.60x = 63,908.40 × 17,642.24
  4. Step 4: Simplify right side
    42,605.60x = 1,127,487,330.82
  5. Step 5: Solve for x
    x = 1,127,487,330.82/42,605.60
  6. Step 6: Final answer
    x = 26,463.36

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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.