Home / 41,047.20-61,562.88-13,338.72

Finding the Fourth Proportional to 41,047.20, 61,562.88 and 13,338.72

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Solution

The fourth proportional to 41,047.20, 61,562.88 and 13,338.72 is: 20,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,047.20 : 61,562.88 = 13,338.72 : x
  2. Step 2: Convert to fraction form
    41,047.20/61,562.88 = 13,338.72/x
  3. Step 3: Cross multiply
    41,047.20x = 61,562.88 × 13,338.72
  4. Step 4: Simplify right side
    41,047.20x = 821,170,018.71
  5. Step 5: Solve for x
    x = 821,170,018.71/41,047.20
  6. Step 6: Final answer
    x = 20,005.51

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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.