Home / 38,315.83-57,481.04-12,013.51

Finding the Fourth Proportional to 38,315.83, 57,481.04 and 12,013.51

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Solution

The fourth proportional to 38,315.83, 57,481.04 and 12,013.51 is: 18,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,315.83 : 57,481.04 = 12,013.51 : x
  2. Step 2: Convert to fraction form
    38,315.83/57,481.04 = 12,013.51/x
  3. Step 3: Cross multiply
    38,315.83x = 57,481.04 × 12,013.51
  4. Step 4: Simplify right side
    38,315.83x = 690,548,988.78
  5. Step 5: Solve for x
    x = 690,548,988.78/38,315.83
  6. Step 6: Final answer
    x = 18,022.55

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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.