Home / 36,125.64-49,855.32-20,209.14

Finding the Fourth Proportional to 36,125.64, 49,855.32 and 20,209.14

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Solution

The fourth proportional to 36,125.64, 49,855.32 and 20,209.14 is: 27,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,125.64 : 49,855.32 = 20,209.14 : x
  2. Step 2: Convert to fraction form
    36,125.64/49,855.32 = 20,209.14/x
  3. Step 3: Cross multiply
    36,125.64x = 49,855.32 × 20,209.14
  4. Step 4: Simplify right side
    36,125.64x = 1,007,533,141.62
  5. Step 5: Solve for x
    x = 1,007,533,141.62/36,125.64
  6. Step 6: Final answer
    x = 27,889.70

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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.