Home / 56,816.12-85,224.17-21,755.78

Finding the Fourth Proportional to 56,816.12, 85,224.17 and 21,755.78

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Solution

The fourth proportional to 56,816.12, 85,224.17 and 21,755.78 is: 32,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,816.12 : 85,224.17 = 21,755.78 : x
  2. Step 2: Convert to fraction form
    56,816.12/85,224.17 = 21,755.78/x
  3. Step 3: Cross multiply
    56,816.12x = 85,224.17 × 21,755.78
  4. Step 4: Simplify right side
    56,816.12x = 1,854,117,758.30
  5. Step 5: Solve for x
    x = 1,854,117,758.30/56,816.12
  6. Step 6: Final answer
    x = 32,633.66

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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.