Home / 37,155.38-51,235.34-28,658.88

Finding the Fourth Proportional to 37,155.38, 51,235.34 and 28,658.88

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Solution

The fourth proportional to 37,155.38, 51,235.34 and 28,658.88 is: 39,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.38 : 51,235.34 = 28,658.88 : x
  2. Step 2: Convert to fraction form
    37,155.38/51,235.34 = 28,658.88/x
  3. Step 3: Cross multiply
    37,155.38x = 51,235.34 × 28,658.88
  4. Step 4: Simplify right side
    37,155.38x = 1,468,347,317.52
  5. Step 5: Solve for x
    x = 1,468,347,317.52/37,155.38
  6. Step 6: Final answer
    x = 39,519.11

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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.