Home / 40,839.46-61,230.39-15,858.70

Finding the Fourth Proportional to 40,839.46, 61,230.39 and 15,858.70

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Solution

The fourth proportional to 40,839.46, 61,230.39 and 15,858.70 is: 23,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839.46 : 61,230.39 = 15,858.70 : x
  2. Step 2: Convert to fraction form
    40,839.46/61,230.39 = 15,858.70/x
  3. Step 3: Cross multiply
    40,839.46x = 61,230.39 × 15,858.70
  4. Step 4: Simplify right side
    40,839.46x = 971,034,385.89
  5. Step 5: Solve for x
    x = 971,034,385.89/40,839.46
  6. Step 6: Final answer
    x = 23,776.87

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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.