Home / 36,138.79-49,873.62-20,223.10

Finding the Fourth Proportional to 36,138.79, 49,873.62 and 20,223.10

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Solution

The fourth proportional to 36,138.79, 49,873.62 and 20,223.10 is: 27,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,138.79 : 49,873.62 = 20,223.10 : x
  2. Step 2: Convert to fraction form
    36,138.79/49,873.62 = 20,223.10/x
  3. Step 3: Cross multiply
    36,138.79x = 49,873.62 × 20,223.10
  4. Step 4: Simplify right side
    36,138.79x = 1,008,599,204.62
  5. Step 5: Solve for x
    x = 1,008,599,204.62/36,138.79
  6. Step 6: Final answer
    x = 27,909.05

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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.