Home / 33,209.85-49,814.78-21,400.05

Finding the Fourth Proportional to 33,209.85, 49,814.78 and 21,400.05

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Solution

The fourth proportional to 33,209.85, 49,814.78 and 21,400.05 is: 32,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,209.85 : 49,814.78 = 21,400.05 : x
  2. Step 2: Convert to fraction form
    33,209.85/49,814.78 = 21,400.05/x
  3. Step 3: Cross multiply
    33,209.85x = 49,814.78 × 21,400.05
  4. Step 4: Simplify right side
    33,209.85x = 1,066,038,675.74
  5. Step 5: Solve for x
    x = 1,066,038,675.74/33,209.85
  6. Step 6: Final answer
    x = 32,100.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.