Home / 33,211.20-49,687.20-21,547.20

Finding the Fourth Proportional to 33,211.20, 49,687.20 and 21,547.20

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Solution

The fourth proportional to 33,211.20, 49,687.20 and 21,547.20 is: 32,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.20 : 49,687.20 = 21,547.20 : x
  2. Step 2: Convert to fraction form
    33,211.20/49,687.20 = 21,547.20/x
  3. Step 3: Cross multiply
    33,211.20x = 49,687.20 × 21,547.20
  4. Step 4: Simplify right side
    33,211.20x = 1,070,620,035.84
  5. Step 5: Solve for x
    x = 1,070,620,035.84/33,211.20
  6. Step 6: Final answer
    x = 32,236.72

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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.