Home / 42,557.44-63,825.91-18,851.89

Finding the Fourth Proportional to 42,557.44, 63,825.91 and 18,851.89

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Solution

The fourth proportional to 42,557.44, 63,825.91 and 18,851.89 is: 28,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,557.44 : 63,825.91 = 18,851.89 : x
  2. Step 2: Convert to fraction form
    42,557.44/63,825.91 = 18,851.89/x
  3. Step 3: Cross multiply
    42,557.44x = 63,825.91 × 18,851.89
  4. Step 4: Simplify right side
    42,557.44x = 1,203,239,034.47
  5. Step 5: Solve for x
    x = 1,203,239,034.47/42,557.44
  6. Step 6: Final answer
    x = 28,273.29

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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.