Home / 36,019.20-49,706.88-20,103.68

Finding the Fourth Proportional to 36,019.20, 49,706.88 and 20,103.68

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Solution

The fourth proportional to 36,019.20, 49,706.88 and 20,103.68 is: 27,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.20 : 49,706.88 = 20,103.68 : x
  2. Step 2: Convert to fraction form
    36,019.20/49,706.88 = 20,103.68/x
  3. Step 3: Cross multiply
    36,019.20x = 49,706.88 × 20,103.68
  4. Step 4: Simplify right side
    36,019.20x = 999,291,209.32
  5. Step 5: Solve for x
    x = 999,291,209.32/36,019.20
  6. Step 6: Final answer
    x = 27,743.29

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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.