Home / 42,002.40-63,029.97-17,042.55

Finding the Fourth Proportional to 42,002.40, 63,029.97 and 17,042.55

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Solution

The fourth proportional to 42,002.40, 63,029.97 and 17,042.55 is: 25,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.40 : 63,029.97 = 17,042.55 : x
  2. Step 2: Convert to fraction form
    42,002.40/63,029.97 = 17,042.55/x
  3. Step 3: Cross multiply
    42,002.40x = 63,029.97 × 17,042.55
  4. Step 4: Simplify right side
    42,002.40x = 1,074,191,415.22
  5. Step 5: Solve for x
    x = 1,074,191,415.22/42,002.40
  6. Step 6: Final answer
    x = 25,574.52

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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.