Home / 37,149.12-51,262.74-20,382.12

Finding the Fourth Proportional to 37,149.12, 51,262.74 and 20,382.12

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Solution

The fourth proportional to 37,149.12, 51,262.74 and 20,382.12 is: 28,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.12 : 51,262.74 = 20,382.12 : x
  2. Step 2: Convert to fraction form
    37,149.12/51,262.74 = 20,382.12/x
  3. Step 3: Cross multiply
    37,149.12x = 51,262.74 × 20,382.12
  4. Step 4: Simplify right side
    37,149.12x = 1,044,843,318.21
  5. Step 5: Solve for x
    x = 1,044,843,318.21/37,149.12
  6. Step 6: Final answer
    x = 28,125.65

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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.