Home / 37,519.38-51,774.57-20,520.23

Finding the Fourth Proportional to 37,519.38, 51,774.57 and 20,520.23

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Solution

The fourth proportional to 37,519.38, 51,774.57 and 20,520.23 is: 28,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,519.38 : 51,774.57 = 20,520.23 : x
  2. Step 2: Convert to fraction form
    37,519.38/51,774.57 = 20,520.23/x
  3. Step 3: Cross multiply
    37,519.38x = 51,774.57 × 20,520.23
  4. Step 4: Simplify right side
    37,519.38x = 1,062,425,825.68
  5. Step 5: Solve for x
    x = 1,062,425,825.68/37,519.38
  6. Step 6: Final answer
    x = 28,316.72

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Half scale
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Double scale
Find fourth proportional to 37,520.38, 51,775.95 and 20,521.23
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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.