Home / 29,118.14-40,176.24-21,146.52

Finding the Fourth Proportional to 29,118.14, 40,176.24 and 21,146.52

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Solution

The fourth proportional to 29,118.14, 40,176.24 and 21,146.52 is: 29,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.14 : 40,176.24 = 21,146.52 : x
  2. Step 2: Convert to fraction form
    29,118.14/40,176.24 = 21,146.52/x
  3. Step 3: Cross multiply
    29,118.14x = 40,176.24 × 21,146.52
  4. Step 4: Simplify right side
    29,118.14x = 849,587,662.68
  5. Step 5: Solve for x
    x = 849,587,662.68/29,118.14
  6. Step 6: Final answer
    x = 29,177.27

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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.