Home / 29,717.09-41,013.79-18,390.23

Finding the Fourth Proportional to 29,717.09, 41,013.79 and 18,390.23

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Solution

The fourth proportional to 29,717.09, 41,013.79 and 18,390.23 is: 25,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,717.09 : 41,013.79 = 18,390.23 : x
  2. Step 2: Convert to fraction form
    29,717.09/41,013.79 = 18,390.23/x
  3. Step 3: Cross multiply
    29,717.09x = 41,013.79 × 18,390.23
  4. Step 4: Simplify right side
    29,717.09x = 754,253,065.29
  5. Step 5: Solve for x
    x = 754,253,065.29/29,717.09
  6. Step 6: Final answer
    x = 25,381.12

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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.