Home / 37,773.68-52,126.58-20,777.91

Finding the Fourth Proportional to 37,773.68, 52,126.58 and 20,777.91

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Solution

The fourth proportional to 37,773.68, 52,126.58 and 20,777.91 is: 28,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,773.68 : 52,126.58 = 20,777.91 : x
  2. Step 2: Convert to fraction form
    37,773.68/52,126.58 = 20,777.91/x
  3. Step 3: Cross multiply
    37,773.68x = 52,126.58 × 20,777.91
  4. Step 4: Simplify right side
    37,773.68x = 1,083,081,387.85
  5. Step 5: Solve for x
    x = 1,083,081,387.85/37,773.68
  6. Step 6: Final answer
    x = 28,672.91

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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.