Home / 33,130.32-49,696.80-15,587.88

Finding the Fourth Proportional to 33,130.32, 49,696.80 and 15,587.88

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Solution

The fourth proportional to 33,130.32, 49,696.80 and 15,587.88 is: 23,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.32 : 49,696.80 = 15,587.88 : x
  2. Step 2: Convert to fraction form
    33,130.32/49,696.80 = 15,587.88/x
  3. Step 3: Cross multiply
    33,130.32x = 49,696.80 × 15,587.88
  4. Step 4: Simplify right side
    33,130.32x = 774,667,754.78
  5. Step 5: Solve for x
    x = 774,667,754.78/33,130.32
  6. Step 6: Final answer
    x = 23,382.44

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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.