Home / 37,531.57-51,791.70-20,536.15

Finding the Fourth Proportional to 37,531.57, 51,791.70 and 20,536.15

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Solution

The fourth proportional to 37,531.57, 51,791.70 and 20,536.15 is: 28,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,531.57 : 51,791.70 = 20,536.15 : x
  2. Step 2: Convert to fraction form
    37,531.57/51,791.70 = 20,536.15/x
  3. Step 3: Cross multiply
    37,531.57x = 51,791.70 × 20,536.15
  4. Step 4: Simplify right side
    37,531.57x = 1,063,602,119.96
  5. Step 5: Solve for x
    x = 1,063,602,119.96/37,531.57
  6. Step 6: Final answer
    x = 28,338.87

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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.