Home / 57,546.40-86,190-29,475.04

Finding the Fourth Proportional to 57,546.40, 86,190 and 29,475.04

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Solution

The fourth proportional to 57,546.40, 86,190 and 29,475.04 is: 44,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,546.40 : 86,190 = 29,475.04 : x
  2. Step 2: Convert to fraction form
    57,546.40/86,190 = 29,475.04/x
  3. Step 3: Cross multiply
    57,546.40x = 86,190 × 29,475.04
  4. Step 4: Simplify right side
    57,546.40x = 2,540,453,697.60
  5. Step 5: Solve for x
    x = 2,540,453,697.60/57,546.40
  6. Step 6: Final answer
    x = 44,146.18

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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.