Home / 38,586.52-57,789.06-18,803.08

Finding the Fourth Proportional to 38,586.52, 57,789.06 and 18,803.08

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Solution

The fourth proportional to 38,586.52, 57,789.06 and 18,803.08 is: 28,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.52 : 57,789.06 = 18,803.08 : x
  2. Step 2: Convert to fraction form
    38,586.52/57,789.06 = 18,803.08/x
  3. Step 3: Cross multiply
    38,586.52x = 57,789.06 × 18,803.08
  4. Step 4: Simplify right side
    38,586.52x = 1,086,612,318.30
  5. Step 5: Solve for x
    x = 1,086,612,318.30/38,586.52
  6. Step 6: Final answer
    x = 28,160.41

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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.