Home / 29,981.75-41,376.81-17,239.13

Finding the Fourth Proportional to 29,981.75, 41,376.81 and 17,239.13

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Solution

The fourth proportional to 29,981.75, 41,376.81 and 17,239.13 is: 23,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.75 : 41,376.81 = 17,239.13 : x
  2. Step 2: Convert to fraction form
    29,981.75/41,376.81 = 17,239.13/x
  3. Step 3: Cross multiply
    29,981.75x = 41,376.81 × 17,239.13
  4. Step 4: Simplify right side
    29,981.75x = 713,299,999.69
  5. Step 5: Solve for x
    x = 713,299,999.69/29,981.75
  6. Step 6: Final answer
    x = 23,791.14

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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.