Home / 37,761.89-52,110.31-20,766.12

Finding the Fourth Proportional to 37,761.89, 52,110.31 and 20,766.12

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Solution

The fourth proportional to 37,761.89, 52,110.31 and 20,766.12 is: 28,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,761.89 : 52,110.31 = 20,766.12 : x
  2. Step 2: Convert to fraction form
    37,761.89/52,110.31 = 20,766.12/x
  3. Step 3: Cross multiply
    37,761.89x = 52,110.31 × 20,766.12
  4. Step 4: Simplify right side
    37,761.89x = 1,082,128,677.41
  5. Step 5: Solve for x
    x = 1,082,128,677.41/37,761.89
  6. Step 6: Final answer
    x = 28,656.63

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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.