Home / 36,908.16-50,931.36-20,137.92

Finding the Fourth Proportional to 36,908.16, 50,931.36 and 20,137.92

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Solution

The fourth proportional to 36,908.16, 50,931.36 and 20,137.92 is: 27,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,908.16 : 50,931.36 = 20,137.92 : x
  2. Step 2: Convert to fraction form
    36,908.16/50,931.36 = 20,137.92/x
  3. Step 3: Cross multiply
    36,908.16x = 50,931.36 × 20,137.92
  4. Step 4: Simplify right side
    36,908.16x = 1,025,651,653.17
  5. Step 5: Solve for x
    x = 1,025,651,653.17/36,908.16
  6. Step 6: Final answer
    x = 27,789.29

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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.