Home / 66,851.05-92,251.27-40,008.32

Finding the Fourth Proportional to 66,851.05, 92,251.27 and 40,008.32

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Solution

The fourth proportional to 66,851.05, 92,251.27 and 40,008.32 is: 55,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.05 : 92,251.27 = 40,008.32 : x
  2. Step 2: Convert to fraction form
    66,851.05/92,251.27 = 40,008.32/x
  3. Step 3: Cross multiply
    66,851.05x = 92,251.27 × 40,008.32
  4. Step 4: Simplify right side
    66,851.05x = 3,690,818,330.57
  5. Step 5: Solve for x
    x = 3,690,818,330.57/66,851.05
  6. Step 6: Final answer
    x = 55,209.58

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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.