Home / 29,691.36-40,974.15-16,079.37

Finding the Fourth Proportional to 29,691.36, 40,974.15 and 16,079.37

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Solution

The fourth proportional to 29,691.36, 40,974.15 and 16,079.37 is: 22,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,691.36 : 40,974.15 = 16,079.37 : x
  2. Step 2: Convert to fraction form
    29,691.36/40,974.15 = 16,079.37/x
  3. Step 3: Cross multiply
    29,691.36x = 40,974.15 × 16,079.37
  4. Step 4: Simplify right side
    29,691.36x = 658,838,518.29
  5. Step 5: Solve for x
    x = 658,838,518.29/29,691.36
  6. Step 6: Final answer
    x = 22,189.57

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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.