Home / 40,091.97-60,139.49-17,905.53

Finding the Fourth Proportional to 40,091.97, 60,139.49 and 17,905.53

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Solution

The fourth proportional to 40,091.97, 60,139.49 and 17,905.53 is: 26,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091.97 : 60,139.49 = 17,905.53 : x
  2. Step 2: Convert to fraction form
    40,091.97/60,139.49 = 17,905.53/x
  3. Step 3: Cross multiply
    40,091.97x = 60,139.49 × 17,905.53
  4. Step 4: Simplify right side
    40,091.97x = 1,076,829,352.85
  5. Step 5: Solve for x
    x = 1,076,829,352.85/40,091.97
  6. Step 6: Final answer
    x = 26,858.98

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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.