Home / 37,755.67-52,104.16-20,761.20

Finding the Fourth Proportional to 37,755.67, 52,104.16 and 20,761.20

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Solution

The fourth proportional to 37,755.67, 52,104.16 and 20,761.20 is: 28,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,755.67 : 52,104.16 = 20,761.20 : x
  2. Step 2: Convert to fraction form
    37,755.67/52,104.16 = 20,761.20/x
  3. Step 3: Cross multiply
    37,755.67x = 52,104.16 × 20,761.20
  4. Step 4: Simplify right side
    37,755.67x = 1,081,744,886.59
  5. Step 5: Solve for x
    x = 1,081,744,886.59/37,755.67
  6. Step 6: Final answer
    x = 28,651.19

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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.