Home / 36,226.17-49,990.05-21,121.29

Finding the Fourth Proportional to 36,226.17, 49,990.05 and 21,121.29

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Solution

The fourth proportional to 36,226.17, 49,990.05 and 21,121.29 is: 29,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,226.17 : 49,990.05 = 21,121.29 : x
  2. Step 2: Convert to fraction form
    36,226.17/49,990.05 = 21,121.29/x
  3. Step 3: Cross multiply
    36,226.17x = 49,990.05 × 21,121.29
  4. Step 4: Simplify right side
    36,226.17x = 1,055,854,343.16
  5. Step 5: Solve for x
    x = 1,055,854,343.16/36,226.17
  6. Step 6: Final answer
    x = 29,146.18

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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.