Home / 36,306.39-54,411.13-19,404.75

Finding the Fourth Proportional to 36,306.39, 54,411.13 and 19,404.75

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Solution

The fourth proportional to 36,306.39, 54,411.13 and 19,404.75 is: 29,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,306.39 : 54,411.13 = 19,404.75 : x
  2. Step 2: Convert to fraction form
    36,306.39/54,411.13 = 19,404.75/x
  3. Step 3: Cross multiply
    36,306.39x = 54,411.13 × 19,404.75
  4. Step 4: Simplify right side
    36,306.39x = 1,055,834,374.87
  5. Step 5: Solve for x
    x = 1,055,834,374.87/36,306.39
  6. Step 6: Final answer
    x = 29,081.23

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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.