Home / 40,982.78-61,462.02-17,603.75

Finding the Fourth Proportional to 40,982.78, 61,462.02 and 17,603.75

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Solution

The fourth proportional to 40,982.78, 61,462.02 and 17,603.75 is: 26,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982.78 : 61,462.02 = 17,603.75 : x
  2. Step 2: Convert to fraction form
    40,982.78/61,462.02 = 17,603.75/x
  3. Step 3: Cross multiply
    40,982.78x = 61,462.02 × 17,603.75
  4. Step 4: Simplify right side
    40,982.78x = 1,081,962,034.58
  5. Step 5: Solve for x
    x = 1,081,962,034.58/40,982.78
  6. Step 6: Final answer
    x = 26,400.41

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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.