Home / 54,780.24-75,595.50-30,906.30

Finding the Fourth Proportional to 54,780.24, 75,595.50 and 30,906.30

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Solution

The fourth proportional to 54,780.24, 75,595.50 and 30,906.30 is: 42,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.24 : 75,595.50 = 30,906.30 : x
  2. Step 2: Convert to fraction form
    54,780.24/75,595.50 = 30,906.30/x
  3. Step 3: Cross multiply
    54,780.24x = 75,595.50 × 30,906.30
  4. Step 4: Simplify right side
    54,780.24x = 2,336,377,201.65
  5. Step 5: Solve for x
    x = 2,336,377,201.65/54,780.24
  6. Step 6: Final answer
    x = 42,650.00

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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.