Home / 57,153.88-85,755.30-29,471.32

Finding the Fourth Proportional to 57,153.88, 85,755.30 and 29,471.32

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Solution

The fourth proportional to 57,153.88, 85,755.30 and 29,471.32 is: 44,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.88 : 85,755.30 = 29,471.32 : x
  2. Step 2: Convert to fraction form
    57,153.88/85,755.30 = 29,471.32/x
  3. Step 3: Cross multiply
    57,153.88x = 85,755.30 × 29,471.32
  4. Step 4: Simplify right side
    57,153.88x = 2,527,321,888.00
  5. Step 5: Solve for x
    x = 2,527,321,888.00/57,153.88
  6. Step 6: Final answer
    x = 44,219.60

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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.