Home / 39,299.76-54,236.49-22,306.89

Finding the Fourth Proportional to 39,299.76, 54,236.49 and 22,306.89

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Solution

The fourth proportional to 39,299.76, 54,236.49 and 22,306.89 is: 30,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.76 : 54,236.49 = 22,306.89 : x
  2. Step 2: Convert to fraction form
    39,299.76/54,236.49 = 22,306.89/x
  3. Step 3: Cross multiply
    39,299.76x = 54,236.49 × 22,306.89
  4. Step 4: Simplify right side
    39,299.76x = 1,209,847,416.42
  5. Step 5: Solve for x
    x = 1,209,847,416.42/39,299.76
  6. Step 6: Final answer
    x = 30,785.11

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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.