Home / 37,149.21-51,265.02-20,572.85

Finding the Fourth Proportional to 37,149.21, 51,265.02 and 20,572.85

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Solution

The fourth proportional to 37,149.21, 51,265.02 and 20,572.85 is: 28,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.21 : 51,265.02 = 20,572.85 : x
  2. Step 2: Convert to fraction form
    37,149.21/51,265.02 = 20,572.85/x
  3. Step 3: Cross multiply
    37,149.21x = 51,265.02 × 20,572.85
  4. Step 4: Simplify right side
    37,149.21x = 1,054,667,310.38
  5. Step 5: Solve for x
    x = 1,054,667,310.38/37,149.21
  6. Step 6: Final answer
    x = 28,390.03

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Double scale
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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.