Home / 29,900.97-41,255.78-18,995.13

Finding the Fourth Proportional to 29,900.97, 41,255.78 and 18,995.13

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Solution

The fourth proportional to 29,900.97, 41,255.78 and 18,995.13 is: 26,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,900.97 : 41,255.78 = 18,995.13 : x
  2. Step 2: Convert to fraction form
    29,900.97/41,255.78 = 18,995.13/x
  3. Step 3: Cross multiply
    29,900.97x = 41,255.78 × 18,995.13
  4. Step 4: Simplify right side
    29,900.97x = 783,658,809.38
  5. Step 5: Solve for x
    x = 783,658,809.38/29,900.97
  6. Step 6: Final answer
    x = 26,208.47

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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.