Home / 40,306.90-55,623.12-22,401.55

Finding the Fourth Proportional to 40,306.90, 55,623.12 and 22,401.55

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Solution

The fourth proportional to 40,306.90, 55,623.12 and 22,401.55 is: 30,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,306.90 : 55,623.12 = 22,401.55 : x
  2. Step 2: Convert to fraction form
    40,306.90/55,623.12 = 22,401.55/x
  3. Step 3: Cross multiply
    40,306.90x = 55,623.12 × 22,401.55
  4. Step 4: Simplify right side
    40,306.90x = 1,246,044,103.84
  5. Step 5: Solve for x
    x = 1,246,044,103.84/40,306.90
  6. Step 6: Final answer
    x = 30,913.92

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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.