Home / 38,344.20-57,518.10-12,049.80

Finding the Fourth Proportional to 38,344.20, 57,518.10 and 12,049.80

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Solution

The fourth proportional to 38,344.20, 57,518.10 and 12,049.80 is: 18,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,344.20 : 57,518.10 = 12,049.80 : x
  2. Step 2: Convert to fraction form
    38,344.20/57,518.10 = 12,049.80/x
  3. Step 3: Cross multiply
    38,344.20x = 57,518.10 × 12,049.80
  4. Step 4: Simplify right side
    38,344.20x = 693,081,601.38
  5. Step 5: Solve for x
    x = 693,081,601.38/38,344.20
  6. Step 6: Final answer
    x = 18,075.27

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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.