Home / 40,999.26-61,497.80-11,415.90

Finding the Fourth Proportional to 40,999.26, 61,497.80 and 11,415.90

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Solution

The fourth proportional to 40,999.26, 61,497.80 and 11,415.90 is: 17,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,999.26 : 61,497.80 = 11,415.90 : x
  2. Step 2: Convert to fraction form
    40,999.26/61,497.80 = 11,415.90/x
  3. Step 3: Cross multiply
    40,999.26x = 61,497.80 × 11,415.90
  4. Step 4: Simplify right side
    40,999.26x = 702,052,735.02
  5. Step 5: Solve for x
    x = 702,052,735.02/40,999.26
  6. Step 6: Final answer
    x = 17,123.55

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1.5x scale

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.