Home / 33,121.08-49,633.31-15,357.17

Finding the Fourth Proportional to 33,121.08, 49,633.31 and 15,357.17

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Solution

The fourth proportional to 33,121.08, 49,633.31 and 15,357.17 is: 23,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.08 : 49,633.31 = 15,357.17 : x
  2. Step 2: Convert to fraction form
    33,121.08/49,633.31 = 15,357.17/x
  3. Step 3: Cross multiply
    33,121.08x = 49,633.31 × 15,357.17
  4. Step 4: Simplify right side
    33,121.08x = 762,226,931.17
  5. Step 5: Solve for x
    x = 762,226,931.17/33,121.08
  6. Step 6: Final answer
    x = 23,013.35

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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.