Home / 57,071.27-85,482.07-28,942.85

Finding the Fourth Proportional to 57,071.27, 85,482.07 and 28,942.85

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Solution

The fourth proportional to 57,071.27, 85,482.07 and 28,942.85 is: 43,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,071.27 : 85,482.07 = 28,942.85 : x
  2. Step 2: Convert to fraction form
    57,071.27/85,482.07 = 28,942.85/x
  3. Step 3: Cross multiply
    57,071.27x = 85,482.07 × 28,942.85
  4. Step 4: Simplify right side
    57,071.27x = 2,474,094,729.70
  5. Step 5: Solve for x
    x = 2,474,094,729.70/57,071.27
  6. Step 6: Final answer
    x = 43,350.97

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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.