Home / 40,736.92-61,111.25-15,445.75

Finding the Fourth Proportional to 40,736.92, 61,111.25 and 15,445.75

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Solution

The fourth proportional to 40,736.92, 61,111.25 and 15,445.75 is: 23,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,736.92 : 61,111.25 = 15,445.75 : x
  2. Step 2: Convert to fraction form
    40,736.92/61,111.25 = 15,445.75/x
  3. Step 3: Cross multiply
    40,736.92x = 61,111.25 × 15,445.75
  4. Step 4: Simplify right side
    40,736.92x = 943,908,706.90
  5. Step 5: Solve for x
    x = 943,908,706.90/40,736.92
  6. Step 6: Final answer
    x = 23,170.84

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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.