Home / 40,162.46-55,423.31-22,257.68

Finding the Fourth Proportional to 40,162.46, 55,423.31 and 22,257.68

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Solution

The fourth proportional to 40,162.46, 55,423.31 and 22,257.68 is: 30,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.46 : 55,423.31 = 22,257.68 : x
  2. Step 2: Convert to fraction form
    40,162.46/55,423.31 = 22,257.68/x
  3. Step 3: Cross multiply
    40,162.46x = 55,423.31 × 22,257.68
  4. Step 4: Simplify right side
    40,162.46x = 1,233,593,910.12
  5. Step 5: Solve for x
    x = 1,233,593,910.12/40,162.46
  6. Step 6: Final answer
    x = 30,715.10

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1.5x scale

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.