Home / 36,122.74-49,857.17-21,980.14

Finding the Fourth Proportional to 36,122.74, 49,857.17 and 21,980.14

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Solution

The fourth proportional to 36,122.74, 49,857.17 and 21,980.14 is: 30,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.74 : 49,857.17 = 21,980.14 : x
  2. Step 2: Convert to fraction form
    36,122.74/49,857.17 = 21,980.14/x
  3. Step 3: Cross multiply
    36,122.74x = 49,857.17 × 21,980.14
  4. Step 4: Simplify right side
    36,122.74x = 1,095,867,342.06
  5. Step 5: Solve for x
    x = 1,095,867,342.06/36,122.74
  6. Step 6: Final answer
    x = 30,337.33

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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.