Home / 41,785.38-62,678.34-10,620.72

Finding the Fourth Proportional to 41,785.38, 62,678.34 and 10,620.72

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Solution

The fourth proportional to 41,785.38, 62,678.34 and 10,620.72 is: 15,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,785.38 : 62,678.34 = 10,620.72 : x
  2. Step 2: Convert to fraction form
    41,785.38/62,678.34 = 10,620.72/x
  3. Step 3: Cross multiply
    41,785.38x = 62,678.34 × 10,620.72
  4. Step 4: Simplify right side
    41,785.38x = 665,689,099.20
  5. Step 5: Solve for x
    x = 665,689,099.20/41,785.38
  6. Step 6: Final answer
    x = 15,931.15

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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.