Home / 33,220.84-49,779.36-20,882.92

Finding the Fourth Proportional to 33,220.84, 49,779.36 and 20,882.92

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Solution

The fourth proportional to 33,220.84, 49,779.36 and 20,882.92 is: 31,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.84 : 49,779.36 = 20,882.92 : x
  2. Step 2: Convert to fraction form
    33,220.84/49,779.36 = 20,882.92/x
  3. Step 3: Cross multiply
    33,220.84x = 49,779.36 × 20,882.92
  4. Step 4: Simplify right side
    33,220.84x = 1,039,538,392.53
  5. Step 5: Solve for x
    x = 1,039,538,392.53/33,220.84
  6. Step 6: Final answer
    x = 31,291.76

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1.5x scale

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.