Home / 36,207.80-54,298.38-12,509.27

Finding the Fourth Proportional to 36,207.80, 54,298.38 and 12,509.27

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Solution

The fourth proportional to 36,207.80, 54,298.38 and 12,509.27 is: 18,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,207.80 : 54,298.38 = 12,509.27 : x
  2. Step 2: Convert to fraction form
    36,207.80/54,298.38 = 12,509.27/x
  3. Step 3: Cross multiply
    36,207.80x = 54,298.38 × 12,509.27
  4. Step 4: Simplify right side
    36,207.80x = 679,233,095.98
  5. Step 5: Solve for x
    x = 679,233,095.98/36,207.80
  6. Step 6: Final answer
    x = 18,759.30

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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.