Home / 37,755.18-52,103.29-20,758.55

Finding the Fourth Proportional to 37,755.18, 52,103.29 and 20,758.55

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Solution

The fourth proportional to 37,755.18, 52,103.29 and 20,758.55 is: 28,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,755.18 : 52,103.29 = 20,758.55 : x
  2. Step 2: Convert to fraction form
    37,755.18/52,103.29 = 20,758.55/x
  3. Step 3: Cross multiply
    37,755.18x = 52,103.29 × 20,758.55
  4. Step 4: Simplify right side
    37,755.18x = 1,081,588,633.60
  5. Step 5: Solve for x
    x = 1,081,588,633.60/37,755.18
  6. Step 6: Final answer
    x = 28,647.42

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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.