Home / 36,022.62-49,711.93-20,909.80

Finding the Fourth Proportional to 36,022.62, 49,711.93 and 20,909.80

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Solution

The fourth proportional to 36,022.62, 49,711.93 and 20,909.80 is: 28,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.62 : 49,711.93 = 20,909.80 : x
  2. Step 2: Convert to fraction form
    36,022.62/49,711.93 = 20,909.80/x
  3. Step 3: Cross multiply
    36,022.62x = 49,711.93 × 20,909.80
  4. Step 4: Simplify right side
    36,022.62x = 1,039,466,244.15
  5. Step 5: Solve for x
    x = 1,039,466,244.15/36,022.62
  6. Step 6: Final answer
    x = 28,855.93

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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.