Home / 66,439.46-99,685.74-26,999.66

Finding the Fourth Proportional to 66,439.46, 99,685.74 and 26,999.66

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Solution

The fourth proportional to 66,439.46, 99,685.74 and 26,999.66 is: 40,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439.46 : 99,685.74 = 26,999.66 : x
  2. Step 2: Convert to fraction form
    66,439.46/99,685.74 = 26,999.66/x
  3. Step 3: Cross multiply
    66,439.46x = 99,685.74 × 26,999.66
  4. Step 4: Simplify right side
    66,439.46x = 2,691,481,086.85
  5. Step 5: Solve for x
    x = 2,691,481,086.85/66,439.46
  6. Step 6: Final answer
    x = 40,510.28

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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.