Home / 37,618.38-51,913.37-20,851.38

Finding the Fourth Proportional to 37,618.38, 51,913.37 and 20,851.38

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Solution

The fourth proportional to 37,618.38, 51,913.37 and 20,851.38 is: 28,774.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618.38 : 51,913.37 = 20,851.38 : x
  2. Step 2: Convert to fraction form
    37,618.38/51,913.37 = 20,851.38/x
  3. Step 3: Cross multiply
    37,618.38x = 51,913.37 × 20,851.38
  4. Step 4: Simplify right side
    37,618.38x = 1,082,465,404.95
  5. Step 5: Solve for x
    x = 1,082,465,404.95/37,618.38
  6. Step 6: Final answer
    x = 28,774.91

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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.