Home / 57,043.20-85,449.60-32,390.40

Finding the Fourth Proportional to 57,043.20, 85,449.60 and 32,390.40

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Solution

The fourth proportional to 57,043.20, 85,449.60 and 32,390.40 is: 48,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,043.20 : 85,449.60 = 32,390.40 : x
  2. Step 2: Convert to fraction form
    57,043.20/85,449.60 = 32,390.40/x
  3. Step 3: Cross multiply
    57,043.20x = 85,449.60 × 32,390.40
  4. Step 4: Simplify right side
    57,043.20x = 2,767,746,723.84
  5. Step 5: Solve for x
    x = 2,767,746,723.84/57,043.20
  6. Step 6: Final answer
    x = 48,520.19

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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.