Home / 66,304.78-91,502.57-40,825.85

Finding the Fourth Proportional to 66,304.78, 91,502.57 and 40,825.85

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Solution

The fourth proportional to 66,304.78, 91,502.57 and 40,825.85 is: 56,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,304.78 : 91,502.57 = 40,825.85 : x
  2. Step 2: Convert to fraction form
    66,304.78/91,502.57 = 40,825.85/x
  3. Step 3: Cross multiply
    66,304.78x = 91,502.57 × 40,825.85
  4. Step 4: Simplify right side
    66,304.78x = 3,735,669,612.34
  5. Step 5: Solve for x
    x = 3,735,669,612.34/66,304.78
  6. Step 6: Final answer
    x = 56,340.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.