Home / 33,136.76-49,639.54-21,458.20

Finding the Fourth Proportional to 33,136.76, 49,639.54 and 21,458.20

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Solution

The fourth proportional to 33,136.76, 49,639.54 and 21,458.20 is: 32,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,136.76 : 49,639.54 = 21,458.20 : x
  2. Step 2: Convert to fraction form
    33,136.76/49,639.54 = 21,458.20/x
  3. Step 3: Cross multiply
    33,136.76x = 49,639.54 × 21,458.20
  4. Step 4: Simplify right side
    33,136.76x = 1,065,175,177.23
  5. Step 5: Solve for x
    x = 1,065,175,177.23/33,136.76
  6. Step 6: Final answer
    x = 32,144.82

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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.