Home / 38,767.31-58,114.03-12,453.58

Finding the Fourth Proportional to 38,767.31, 58,114.03 and 12,453.58

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Solution

The fourth proportional to 38,767.31, 58,114.03 and 12,453.58 is: 18,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,767.31 : 58,114.03 = 12,453.58 : x
  2. Step 2: Convert to fraction form
    38,767.31/58,114.03 = 12,453.58/x
  3. Step 3: Cross multiply
    38,767.31x = 58,114.03 × 12,453.58
  4. Step 4: Simplify right side
    38,767.31x = 723,727,721.73
  5. Step 5: Solve for x
    x = 723,727,721.73/38,767.31
  6. Step 6: Final answer
    x = 18,668.51

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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.