Home / 36,124.24-49,855.80-21,979.12

Finding the Fourth Proportional to 36,124.24, 49,855.80 and 21,979.12

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Solution

The fourth proportional to 36,124.24, 49,855.80 and 21,979.12 is: 30,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124.24 : 49,855.80 = 21,979.12 : x
  2. Step 2: Convert to fraction form
    36,124.24/49,855.80 = 21,979.12/x
  3. Step 3: Cross multiply
    36,124.24x = 49,855.80 × 21,979.12
  4. Step 4: Simplify right side
    36,124.24x = 1,095,786,610.90
  5. Step 5: Solve for x
    x = 1,095,786,610.90/36,124.24
  6. Step 6: Final answer
    x = 30,333.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.