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Finding the Fourth Proportional to 49,561.80, 74,345.90 and 26,233.80

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Solution

The fourth proportional to 49,561.80, 74,345.90 and 26,233.80 is: 39,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,561.80 : 74,345.90 = 26,233.80 : x
  2. Step 2: Convert to fraction form
    49,561.80/74,345.90 = 26,233.80/x
  3. Step 3: Cross multiply
    49,561.80x = 74,345.90 × 26,233.80
  4. Step 4: Simplify right side
    49,561.80x = 1,950,375,471.42
  5. Step 5: Solve for x
    x = 1,950,375,471.42/49,561.80
  6. Step 6: Final answer
    x = 39,352.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.