Home / 29,081.29-40,132.54-17,143.91

Finding the Fourth Proportional to 29,081.29, 40,132.54 and 17,143.91

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Solution

The fourth proportional to 29,081.29, 40,132.54 and 17,143.91 is: 23,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.29 : 40,132.54 = 17,143.91 : x
  2. Step 2: Convert to fraction form
    29,081.29/40,132.54 = 17,143.91/x
  3. Step 3: Cross multiply
    29,081.29x = 40,132.54 × 17,143.91
  4. Step 4: Simplify right side
    29,081.29x = 688,028,653.83
  5. Step 5: Solve for x
    x = 688,028,653.83/29,081.29
  6. Step 6: Final answer
    x = 23,658.81

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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.