Home / 39,306.06-54,240.66-21,401.14

Finding the Fourth Proportional to 39,306.06, 54,240.66 and 21,401.14

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Solution

The fourth proportional to 39,306.06, 54,240.66 and 21,401.14 is: 29,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306.06 : 54,240.66 = 21,401.14 : x
  2. Step 2: Convert to fraction form
    39,306.06/54,240.66 = 21,401.14/x
  3. Step 3: Cross multiply
    39,306.06x = 54,240.66 × 21,401.14
  4. Step 4: Simplify right side
    39,306.06x = 1,160,811,958.35
  5. Step 5: Solve for x
    x = 1,160,811,958.35/39,306.06
  6. Step 6: Final answer
    x = 29,532.65

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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.