Home / 32,145.30-48,347.55-28,775.70

Finding the Fourth Proportional to 32,145.30, 48,347.55 and 28,775.70

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Solution

The fourth proportional to 32,145.30, 48,347.55 and 28,775.70 is: 43,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,145.30 : 48,347.55 = 28,775.70 : x
  2. Step 2: Convert to fraction form
    32,145.30/48,347.55 = 28,775.70/x
  3. Step 3: Cross multiply
    32,145.30x = 48,347.55 × 28,775.70
  4. Step 4: Simplify right side
    32,145.30x = 1,391,234,594.54
  5. Step 5: Solve for x
    x = 1,391,234,594.54/32,145.30
  6. Step 6: Final answer
    x = 43,279.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.