Home / 33,178.54-49,767.50-13,452.40

Finding the Fourth Proportional to 33,178.54, 49,767.50 and 13,452.40

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Solution

The fourth proportional to 33,178.54, 49,767.50 and 13,452.40 is: 20,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,178.54 : 49,767.50 = 13,452.40 : x
  2. Step 2: Convert to fraction form
    33,178.54/49,767.50 = 13,452.40/x
  3. Step 3: Cross multiply
    33,178.54x = 49,767.50 × 13,452.40
  4. Step 4: Simplify right side
    33,178.54x = 669,492,533.89
  5. Step 5: Solve for x
    x = 669,492,533.89/33,178.54
  6. Step 6: Final answer
    x = 20,178.48

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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.