Home / 40,146.64-55,396.71-22,242.70

Finding the Fourth Proportional to 40,146.64, 55,396.71 and 22,242.70

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Solution

The fourth proportional to 40,146.64, 55,396.71 and 22,242.70 is: 30,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.64 : 55,396.71 = 22,242.70 : x
  2. Step 2: Convert to fraction form
    40,146.64/55,396.71 = 22,242.70/x
  3. Step 3: Cross multiply
    40,146.64x = 55,396.71 × 22,242.70
  4. Step 4: Simplify right side
    40,146.64x = 1,232,172,470.76
  5. Step 5: Solve for x
    x = 1,232,172,470.76/40,146.64
  6. Step 6: Final answer
    x = 30,691.80

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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.