Home / 36,381.78-50,212.99-21,066.10

Finding the Fourth Proportional to 36,381.78, 50,212.99 and 21,066.10

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Solution

The fourth proportional to 36,381.78, 50,212.99 and 21,066.10 is: 29,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,381.78 : 50,212.99 = 21,066.10 : x
  2. Step 2: Convert to fraction form
    36,381.78/50,212.99 = 21,066.10/x
  3. Step 3: Cross multiply
    36,381.78x = 50,212.99 × 21,066.10
  4. Step 4: Simplify right side
    36,381.78x = 1,057,791,868.64
  5. Step 5: Solve for x
    x = 1,057,791,868.64/36,381.78
  6. Step 6: Final answer
    x = 29,074.77

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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.