Home / 36,207.78-49,964-20,289.16

Finding the Fourth Proportional to 36,207.78, 49,964 and 20,289.16

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Solution

The fourth proportional to 36,207.78, 49,964 and 20,289.16 is: 27,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,207.78 : 49,964 = 20,289.16 : x
  2. Step 2: Convert to fraction form
    36,207.78/49,964 = 20,289.16/x
  3. Step 3: Cross multiply
    36,207.78x = 49,964 × 20,289.16
  4. Step 4: Simplify right side
    36,207.78x = 1,013,727,590.24
  5. Step 5: Solve for x
    x = 1,013,727,590.24/36,207.78
  6. Step 6: Final answer
    x = 27,997.51

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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.