Home / 29,854.86-41,156.07-20,874.42

Finding the Fourth Proportional to 29,854.86, 41,156.07 and 20,874.42

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Solution

The fourth proportional to 29,854.86, 41,156.07 and 20,874.42 is: 28,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,854.86 : 41,156.07 = 20,874.42 : x
  2. Step 2: Convert to fraction form
    29,854.86/41,156.07 = 20,874.42/x
  3. Step 3: Cross multiply
    29,854.86x = 41,156.07 × 20,874.42
  4. Step 4: Simplify right side
    29,854.86x = 859,109,090.73
  5. Step 5: Solve for x
    x = 859,109,090.73/29,854.86
  6. Step 6: Final answer
    x = 28,776.19

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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.