Home / 36,679.92-50,616.74-20,548.78

Finding the Fourth Proportional to 36,679.92, 50,616.74 and 20,548.78

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Solution

The fourth proportional to 36,679.92, 50,616.74 and 20,548.78 is: 28,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.92 : 50,616.74 = 20,548.78 : x
  2. Step 2: Convert to fraction form
    36,679.92/50,616.74 = 20,548.78/x
  3. Step 3: Cross multiply
    36,679.92x = 50,616.74 × 20,548.78
  4. Step 4: Simplify right side
    36,679.92x = 1,040,112,254.58
  5. Step 5: Solve for x
    x = 1,040,112,254.58/36,679.92
  6. Step 6: Final answer
    x = 28,356.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.