Home / 39,744.45-54,793.28-30,011.38

Finding the Fourth Proportional to 39,744.45, 54,793.28 and 30,011.38

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Solution

The fourth proportional to 39,744.45, 54,793.28 and 30,011.38 is: 41,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744.45 : 54,793.28 = 30,011.38 : x
  2. Step 2: Convert to fraction form
    39,744.45/54,793.28 = 30,011.38/x
  3. Step 3: Cross multiply
    39,744.45x = 54,793.28 × 30,011.38
  4. Step 4: Simplify right side
    39,744.45x = 1,644,421,885.57
  5. Step 5: Solve for x
    x = 1,644,421,885.57/39,744.45
  6. Step 6: Final answer
    x = 41,374.88

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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.