Home / 36,222.46-49,988.30-21,112.68

Finding the Fourth Proportional to 36,222.46, 49,988.30 and 21,112.68

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Solution

The fourth proportional to 36,222.46, 49,988.30 and 21,112.68 is: 29,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.46 : 49,988.30 = 21,112.68 : x
  2. Step 2: Convert to fraction form
    36,222.46/49,988.30 = 21,112.68/x
  3. Step 3: Cross multiply
    36,222.46x = 49,988.30 × 21,112.68
  4. Step 4: Simplify right side
    36,222.46x = 1,055,386,981.64
  5. Step 5: Solve for x
    x = 1,055,386,981.64/36,222.46
  6. Step 6: Final answer
    x = 29,136.26

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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.