Home / 33,306.78-45,962.80-18,199.11

Finding the Fourth Proportional to 33,306.78, 45,962.80 and 18,199.11

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Solution

The fourth proportional to 33,306.78, 45,962.80 and 18,199.11 is: 25,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,306.78 : 45,962.80 = 18,199.11 : x
  2. Step 2: Convert to fraction form
    33,306.78/45,962.80 = 18,199.11/x
  3. Step 3: Cross multiply
    33,306.78x = 45,962.80 × 18,199.11
  4. Step 4: Simplify right side
    33,306.78x = 836,482,053.11
  5. Step 5: Solve for x
    x = 836,482,053.11/33,306.78
  6. Step 6: Final answer
    x = 25,114.47

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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.