Home / 33,630.11-46,408.88-21,061.79

Finding the Fourth Proportional to 33,630.11, 46,408.88 and 21,061.79

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Solution

The fourth proportional to 33,630.11, 46,408.88 and 21,061.79 is: 29,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.11 : 46,408.88 = 21,061.79 : x
  2. Step 2: Convert to fraction form
    33,630.11/46,408.88 = 21,061.79/x
  3. Step 3: Cross multiply
    33,630.11x = 46,408.88 × 21,061.79
  4. Step 4: Simplify right side
    33,630.11x = 977,453,979.39
  5. Step 5: Solve for x
    x = 977,453,979.39/33,630.11
  6. Step 6: Final answer
    x = 29,064.85

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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.