Home / 36,089.42-49,801.91-20,981.43

Finding the Fourth Proportional to 36,089.42, 49,801.91 and 20,981.43

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Solution

The fourth proportional to 36,089.42, 49,801.91 and 20,981.43 is: 28,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089.42 : 49,801.91 = 20,981.43 : x
  2. Step 2: Convert to fraction form
    36,089.42/49,801.91 = 20,981.43/x
  3. Step 3: Cross multiply
    36,089.42x = 49,801.91 × 20,981.43
  4. Step 4: Simplify right side
    36,089.42x = 1,044,915,183.62
  5. Step 5: Solve for x
    x = 1,044,915,183.62/36,089.42
  6. Step 6: Final answer
    x = 28,953.51

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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.