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Finding the Fourth Proportional to 33,386.52, 50,079.78 and 10,012.98

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Solution

The fourth proportional to 33,386.52, 50,079.78 and 10,012.98 is: 15,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,386.52 : 50,079.78 = 10,012.98 : x
  2. Step 2: Convert to fraction form
    33,386.52/50,079.78 = 10,012.98/x
  3. Step 3: Cross multiply
    33,386.52x = 50,079.78 × 10,012.98
  4. Step 4: Simplify right side
    33,386.52x = 501,447,835.54
  5. Step 5: Solve for x
    x = 501,447,835.54/33,386.52
  6. Step 6: Final answer
    x = 15,019.47

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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.