Home / 66,439.08-99,672.30-26,996.12

Finding the Fourth Proportional to 66,439.08, 99,672.30 and 26,996.12

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Solution

The fourth proportional to 66,439.08, 99,672.30 and 26,996.12 is: 40,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439.08 : 99,672.30 = 26,996.12 : x
  2. Step 2: Convert to fraction form
    66,439.08/99,672.30 = 26,996.12/x
  3. Step 3: Cross multiply
    66,439.08x = 99,672.30 × 26,996.12
  4. Step 4: Simplify right side
    66,439.08x = 2,690,765,371.48
  5. Step 5: Solve for x
    x = 2,690,765,371.48/66,439.08
  6. Step 6: Final answer
    x = 40,499.74

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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.