Home / 40,566.57-60,849.89-10,580.78

Finding the Fourth Proportional to 40,566.57, 60,849.89 and 10,580.78

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Solution

The fourth proportional to 40,566.57, 60,849.89 and 10,580.78 is: 15,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,566.57 : 60,849.89 = 10,580.78 : x
  2. Step 2: Convert to fraction form
    40,566.57/60,849.89 = 10,580.78/x
  3. Step 3: Cross multiply
    40,566.57x = 60,849.89 × 10,580.78
  4. Step 4: Simplify right side
    40,566.57x = 643,839,299.11
  5. Step 5: Solve for x
    x = 643,839,299.11/40,566.57
  6. Step 6: Final answer
    x = 15,871.18

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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.