Home / 40,860.38-61,283.21-10,874.76

Finding the Fourth Proportional to 40,860.38, 61,283.21 and 10,874.76

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Solution

The fourth proportional to 40,860.38, 61,283.21 and 10,874.76 is: 16,310.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860.38 : 61,283.21 = 10,874.76 : x
  2. Step 2: Convert to fraction form
    40,860.38/61,283.21 = 10,874.76/x
  3. Step 3: Cross multiply
    40,860.38x = 61,283.21 × 10,874.76
  4. Step 4: Simplify right side
    40,860.38x = 666,440,146.41
  5. Step 5: Solve for x
    x = 666,440,146.41/40,860.38
  6. Step 6: Final answer
    x = 16,310.18

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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.