Home / 40,306.65-55,622.78-22,401.30

Finding the Fourth Proportional to 40,306.65, 55,622.78 and 22,401.30

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Solution

The fourth proportional to 40,306.65, 55,622.78 and 22,401.30 is: 30,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,306.65 : 55,622.78 = 22,401.30 : x
  2. Step 2: Convert to fraction form
    40,306.65/55,622.78 = 22,401.30/x
  3. Step 3: Cross multiply
    40,306.65x = 55,622.78 × 22,401.30
  4. Step 4: Simplify right side
    40,306.65x = 1,246,022,553.61
  5. Step 5: Solve for x
    x = 1,246,022,553.61/40,306.65
  6. Step 6: Final answer
    x = 30,913.57

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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.