Home / 42,001.90-63,029.22-17,042.05

Finding the Fourth Proportional to 42,001.90, 63,029.22 and 17,042.05

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Solution

The fourth proportional to 42,001.90, 63,029.22 and 17,042.05 is: 25,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.90 : 63,029.22 = 17,042.05 : x
  2. Step 2: Convert to fraction form
    42,001.90/63,029.22 = 17,042.05/x
  3. Step 3: Cross multiply
    42,001.90x = 63,029.22 × 17,042.05
  4. Step 4: Simplify right side
    42,001.90x = 1,074,146,961.13
  5. Step 5: Solve for x
    x = 1,074,146,961.13/42,001.90
  6. Step 6: Final answer
    x = 25,573.77

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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.