Home / 38,312.91-57,469.98-12,017.88

Finding the Fourth Proportional to 38,312.91, 57,469.98 and 12,017.88

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Solution

The fourth proportional to 38,312.91, 57,469.98 and 12,017.88 is: 18,027.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.91 : 57,469.98 = 12,017.88 : x
  2. Step 2: Convert to fraction form
    38,312.91/57,469.98 = 12,017.88/x
  3. Step 3: Cross multiply
    38,312.91x = 57,469.98 × 12,017.88
  4. Step 4: Simplify right side
    38,312.91x = 690,667,323.24
  5. Step 5: Solve for x
    x = 690,667,323.24/38,312.91
  6. Step 6: Final answer
    x = 18,027.01

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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.