Home / 29,815.30-41,127.98-18,617.86

Finding the Fourth Proportional to 29,815.30, 41,127.98 and 18,617.86

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Solution

The fourth proportional to 29,815.30, 41,127.98 and 18,617.86 is: 25,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.30 : 41,127.98 = 18,617.86 : x
  2. Step 2: Convert to fraction form
    29,815.30/41,127.98 = 18,617.86/x
  3. Step 3: Cross multiply
    29,815.30x = 41,127.98 × 18,617.86
  4. Step 4: Simplify right side
    29,815.30x = 765,714,959.65
  5. Step 5: Solve for x
    x = 765,714,959.65/29,815.30
  6. Step 6: Final answer
    x = 25,681.95

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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.