Home / 29,484.15-40,691.37-18,151.38

Finding the Fourth Proportional to 29,484.15, 40,691.37 and 18,151.38

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Solution

The fourth proportional to 29,484.15, 40,691.37 and 18,151.38 is: 25,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,484.15 : 40,691.37 = 18,151.38 : x
  2. Step 2: Convert to fraction form
    29,484.15/40,691.37 = 18,151.38/x
  3. Step 3: Cross multiply
    29,484.15x = 40,691.37 × 18,151.38
  4. Step 4: Simplify right side
    29,484.15x = 738,604,519.59
  5. Step 5: Solve for x
    x = 738,604,519.59/29,484.15
  6. Step 6: Final answer
    x = 25,050.90

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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.