Home / 57,734.20-86,601.30-35,475.40

Finding the Fourth Proportional to 57,734.20, 86,601.30 and 35,475.40

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Solution

The fourth proportional to 57,734.20, 86,601.30 and 35,475.40 is: 53,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.20 : 86,601.30 = 35,475.40 : x
  2. Step 2: Convert to fraction form
    57,734.20/86,601.30 = 35,475.40/x
  3. Step 3: Cross multiply
    57,734.20x = 86,601.30 × 35,475.40
  4. Step 4: Simplify right side
    57,734.20x = 3,072,215,758.02
  5. Step 5: Solve for x
    x = 3,072,215,758.02/57,734.20
  6. Step 6: Final answer
    x = 53,213.10

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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.