Home / 32,789.28-49,190.16-12,013.92

Finding the Fourth Proportional to 32,789.28, 49,190.16 and 12,013.92

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Solution

The fourth proportional to 32,789.28, 49,190.16 and 12,013.92 is: 18,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,789.28 : 49,190.16 = 12,013.92 : x
  2. Step 2: Convert to fraction form
    32,789.28/49,190.16 = 12,013.92/x
  3. Step 3: Cross multiply
    32,789.28x = 49,190.16 × 12,013.92
  4. Step 4: Simplify right side
    32,789.28x = 590,966,647.03
  5. Step 5: Solve for x
    x = 590,966,647.03/32,789.28
  6. Step 6: Final answer
    x = 18,023.17

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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.