Home / 36,206.80-54,276.18-18,671.92

Finding the Fourth Proportional to 36,206.80, 54,276.18 and 18,671.92

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Solution

The fourth proportional to 36,206.80, 54,276.18 and 18,671.92 is: 27,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,206.80 : 54,276.18 = 18,671.92 : x
  2. Step 2: Convert to fraction form
    36,206.80/54,276.18 = 18,671.92/x
  3. Step 3: Cross multiply
    36,206.80x = 54,276.18 × 18,671.92
  4. Step 4: Simplify right side
    36,206.80x = 1,013,440,490.87
  5. Step 5: Solve for x
    x = 1,013,440,490.87/36,206.80
  6. Step 6: Final answer
    x = 27,990.34

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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.