Home / 29,371.23-40,519.85-18,758.61

Finding the Fourth Proportional to 29,371.23, 40,519.85 and 18,758.61

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Solution

The fourth proportional to 29,371.23, 40,519.85 and 18,758.61 is: 25,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371.23 : 40,519.85 = 18,758.61 : x
  2. Step 2: Convert to fraction form
    29,371.23/40,519.85 = 18,758.61/x
  3. Step 3: Cross multiply
    29,371.23x = 40,519.85 × 18,758.61
  4. Step 4: Simplify right side
    29,371.23x = 760,095,969.62
  5. Step 5: Solve for x
    x = 760,095,969.62/29,371.23
  6. Step 6: Final answer
    x = 25,878.93

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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.