Home / 42,003.90-63,034.65-18,647.10

Finding the Fourth Proportional to 42,003.90, 63,034.65 and 18,647.10

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Solution

The fourth proportional to 42,003.90, 63,034.65 and 18,647.10 is: 27,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003.90 : 63,034.65 = 18,647.10 : x
  2. Step 2: Convert to fraction form
    42,003.90/63,034.65 = 18,647.10/x
  3. Step 3: Cross multiply
    42,003.90x = 63,034.65 × 18,647.10
  4. Step 4: Simplify right side
    42,003.90x = 1,175,413,422.02
  5. Step 5: Solve for x
    x = 1,175,413,422.02/42,003.90
  6. Step 6: Final answer
    x = 27,983.44

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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.