Home / 38,527.70-57,791.55-18,809.30

Finding the Fourth Proportional to 38,527.70, 57,791.55 and 18,809.30

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Solution

The fourth proportional to 38,527.70, 57,791.55 and 18,809.30 is: 28,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.70 : 57,791.55 = 18,809.30 : x
  2. Step 2: Convert to fraction form
    38,527.70/57,791.55 = 18,809.30/x
  3. Step 3: Cross multiply
    38,527.70x = 57,791.55 × 18,809.30
  4. Step 4: Simplify right side
    38,527.70x = 1,087,018,601.42
  5. Step 5: Solve for x
    x = 1,087,018,601.42/38,527.70
  6. Step 6: Final answer
    x = 28,213.95

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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.