Home / 29,920.56-44,882.68-12,391.76

Finding the Fourth Proportional to 29,920.56, 44,882.68 and 12,391.76

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Solution

The fourth proportional to 29,920.56, 44,882.68 and 12,391.76 is: 18,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.56 : 44,882.68 = 12,391.76 : x
  2. Step 2: Convert to fraction form
    29,920.56/44,882.68 = 12,391.76/x
  3. Step 3: Cross multiply
    29,920.56x = 44,882.68 × 12,391.76
  4. Step 4: Simplify right side
    29,920.56x = 556,175,398.72
  5. Step 5: Solve for x
    x = 556,175,398.72/29,920.56
  6. Step 6: Final answer
    x = 18,588.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.