Home / 36,019.85-49,705.79-20,103.93

Finding the Fourth Proportional to 36,019.85, 49,705.79 and 20,103.93

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Solution

The fourth proportional to 36,019.85, 49,705.79 and 20,103.93 is: 27,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.85 : 49,705.79 = 20,103.93 : x
  2. Step 2: Convert to fraction form
    36,019.85/49,705.79 = 20,103.93/x
  3. Step 3: Cross multiply
    36,019.85x = 49,705.79 × 20,103.93
  4. Step 4: Simplify right side
    36,019.85x = 999,281,622.24
  5. Step 5: Solve for x
    x = 999,281,622.24/36,019.85
  6. Step 6: Final answer
    x = 27,742.53

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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.