Home / 66,885.11-92,304.36-40,022.47

Finding the Fourth Proportional to 66,885.11, 92,304.36 and 40,022.47

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Solution

The fourth proportional to 66,885.11, 92,304.36 and 40,022.47 is: 55,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885.11 : 92,304.36 = 40,022.47 : x
  2. Step 2: Convert to fraction form
    66,885.11/92,304.36 = 40,022.47/x
  3. Step 3: Cross multiply
    66,885.11x = 92,304.36 × 40,022.47
  4. Step 4: Simplify right side
    66,885.11x = 3,694,247,817.34
  5. Step 5: Solve for x
    x = 3,694,247,817.34/66,885.11
  6. Step 6: Final answer
    x = 55,232.74

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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.