Home / 37,615.12-51,908.11-20,619.38

Finding the Fourth Proportional to 37,615.12, 51,908.11 and 20,619.38

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Solution

The fourth proportional to 37,615.12, 51,908.11 and 20,619.38 is: 28,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,615.12 : 51,908.11 = 20,619.38 : x
  2. Step 2: Convert to fraction form
    37,615.12/51,908.11 = 20,619.38/x
  3. Step 3: Cross multiply
    37,615.12x = 51,908.11 × 20,619.38
  4. Step 4: Simplify right side
    37,615.12x = 1,070,313,123.39
  5. Step 5: Solve for x
    x = 1,070,313,123.39/37,615.12
  6. Step 6: Final answer
    x = 28,454.33

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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.