Home / 66,440.32-99,734.40-33,151.36

Finding the Fourth Proportional to 66,440.32, 99,734.40 and 33,151.36

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Solution

The fourth proportional to 66,440.32, 99,734.40 and 33,151.36 is: 49,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,440.32 : 99,734.40 = 33,151.36 : x
  2. Step 2: Convert to fraction form
    66,440.32/99,734.40 = 33,151.36/x
  3. Step 3: Cross multiply
    66,440.32x = 99,734.40 × 33,151.36
  4. Step 4: Simplify right side
    66,440.32x = 3,306,330,998.78
  5. Step 5: Solve for x
    x = 3,306,330,998.78/66,440.32
  6. Step 6: Final answer
    x = 49,763.92

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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.