Home / 57,785.16-79,749.18-35,122.17

Finding the Fourth Proportional to 57,785.16, 79,749.18 and 35,122.17

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Solution

The fourth proportional to 57,785.16, 79,749.18 and 35,122.17 is: 48,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,785.16 : 79,749.18 = 35,122.17 : x
  2. Step 2: Convert to fraction form
    57,785.16/79,749.18 = 35,122.17/x
  3. Step 3: Cross multiply
    57,785.16x = 79,749.18 × 35,122.17
  4. Step 4: Simplify right side
    57,785.16x = 2,800,964,257.32
  5. Step 5: Solve for x
    x = 2,800,964,257.32/57,785.16
  6. Step 6: Final answer
    x = 48,472.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.