Home / 29,718.09-41,015.17-18,391.23

Finding the Fourth Proportional to 29,718.09, 41,015.17 and 18,391.23

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Solution

The fourth proportional to 29,718.09, 41,015.17 and 18,391.23 is: 25,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,718.09 : 41,015.17 = 18,391.23 : x
  2. Step 2: Convert to fraction form
    29,718.09/41,015.17 = 18,391.23/x
  3. Step 3: Cross multiply
    29,718.09x = 41,015.17 × 18,391.23
  4. Step 4: Simplify right side
    29,718.09x = 754,319,424.96
  5. Step 5: Solve for x
    x = 754,319,424.96/29,718.09
  6. Step 6: Final answer
    x = 25,382.50

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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.