Home / 37,774.38-52,129.79-20,777.74

Finding the Fourth Proportional to 37,774.38, 52,129.79 and 20,777.74

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Solution

The fourth proportional to 37,774.38, 52,129.79 and 20,777.74 is: 28,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,774.38 : 52,129.79 = 20,777.74 : x
  2. Step 2: Convert to fraction form
    37,774.38/52,129.79 = 20,777.74/x
  3. Step 3: Cross multiply
    37,774.38x = 52,129.79 × 20,777.74
  4. Step 4: Simplify right side
    37,774.38x = 1,083,139,222.87
  5. Step 5: Solve for x
    x = 1,083,139,222.87/37,774.38
  6. Step 6: Final answer
    x = 28,673.91

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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.