Home / 37,773.38-52,128.41-20,776.74

Finding the Fourth Proportional to 37,773.38, 52,128.41 and 20,776.74

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Solution

The fourth proportional to 37,773.38, 52,128.41 and 20,776.74 is: 28,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,773.38 : 52,128.41 = 20,776.74 : x
  2. Step 2: Convert to fraction form
    37,773.38/52,128.41 = 20,776.74/x
  3. Step 3: Cross multiply
    37,773.38x = 52,128.41 × 20,776.74
  4. Step 4: Simplify right side
    37,773.38x = 1,083,058,317.30
  5. Step 5: Solve for x
    x = 1,083,058,317.30/37,773.38
  6. Step 6: Final answer
    x = 28,672.53

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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.