Home / 57,224.80-85,837.20-17,785.90

Finding the Fourth Proportional to 57,224.80, 85,837.20 and 17,785.90

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Solution

The fourth proportional to 57,224.80, 85,837.20 and 17,785.90 is: 26,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,224.80 : 85,837.20 = 17,785.90 : x
  2. Step 2: Convert to fraction form
    57,224.80/85,837.20 = 17,785.90/x
  3. Step 3: Cross multiply
    57,224.80x = 85,837.20 × 17,785.90
  4. Step 4: Simplify right side
    57,224.80x = 1,526,691,855.48
  5. Step 5: Solve for x
    x = 1,526,691,855.48/57,224.80
  6. Step 6: Final answer
    x = 26,678.85

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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.