Home / 42,481.06-63,743.02-30,080.77

Finding the Fourth Proportional to 42,481.06, 63,743.02 and 30,080.77

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Solution

The fourth proportional to 42,481.06, 63,743.02 and 30,080.77 is: 45,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,481.06 : 63,743.02 = 30,080.77 : x
  2. Step 2: Convert to fraction form
    42,481.06/63,743.02 = 30,080.77/x
  3. Step 3: Cross multiply
    42,481.06x = 63,743.02 × 30,080.77
  4. Step 4: Simplify right side
    42,481.06x = 1,917,438,889.17
  5. Step 5: Solve for x
    x = 1,917,438,889.17/42,481.06
  6. Step 6: Final answer
    x = 45,136.33

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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.