Home / 42,042.02-63,062.80-18,022.78

Finding the Fourth Proportional to 42,042.02, 63,062.80 and 18,022.78

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Solution

The fourth proportional to 42,042.02, 63,062.80 and 18,022.78 is: 27,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,042.02 : 63,062.80 = 18,022.78 : x
  2. Step 2: Convert to fraction form
    42,042.02/63,062.80 = 18,022.78/x
  3. Step 3: Cross multiply
    42,042.02x = 63,062.80 × 18,022.78
  4. Step 4: Simplify right side
    42,042.02x = 1,136,566,970.58
  5. Step 5: Solve for x
    x = 1,136,566,970.58/42,042.02
  6. Step 6: Final answer
    x = 27,034.07

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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.