Home / 40,418.28-55,829.52-34,809.84

Finding the Fourth Proportional to 40,418.28, 55,829.52 and 34,809.84

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Solution

The fourth proportional to 40,418.28, 55,829.52 and 34,809.84 is: 48,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.28 : 55,829.52 = 34,809.84 : x
  2. Step 2: Convert to fraction form
    40,418.28/55,829.52 = 34,809.84/x
  3. Step 3: Cross multiply
    40,418.28x = 55,829.52 × 34,809.84
  4. Step 4: Simplify right side
    40,418.28x = 1,943,416,658.48
  5. Step 5: Solve for x
    x = 1,943,416,658.48/40,418.28
  6. Step 6: Final answer
    x = 48,082.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.