Home / 40,836.02-61,241.06-13,127.54

Finding the Fourth Proportional to 40,836.02, 61,241.06 and 13,127.54

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Solution

The fourth proportional to 40,836.02, 61,241.06 and 13,127.54 is: 19,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,836.02 : 61,241.06 = 13,127.54 : x
  2. Step 2: Convert to fraction form
    40,836.02/61,241.06 = 13,127.54/x
  3. Step 3: Cross multiply
    40,836.02x = 61,241.06 × 13,127.54
  4. Step 4: Simplify right side
    40,836.02x = 803,944,092.95
  5. Step 5: Solve for x
    x = 803,944,092.95/40,836.02
  6. Step 6: Final answer
    x = 19,687.13

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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.