Home / 36,111.17-49,812.54-21,761.21

Finding the Fourth Proportional to 36,111.17, 49,812.54 and 21,761.21

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Solution

The fourth proportional to 36,111.17, 49,812.54 and 21,761.21 is: 30,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.17 : 49,812.54 = 21,761.21 : x
  2. Step 2: Convert to fraction form
    36,111.17/49,812.54 = 21,761.21/x
  3. Step 3: Cross multiply
    36,111.17x = 49,812.54 × 21,761.21
  4. Step 4: Simplify right side
    36,111.17x = 1,083,981,186.50
  5. Step 5: Solve for x
    x = 1,083,981,186.50/36,111.17
  6. Step 6: Final answer
    x = 30,017.89

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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.