Home / 36,284.36-50,070.56-20,150.78

Finding the Fourth Proportional to 36,284.36, 50,070.56 and 20,150.78

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Solution

The fourth proportional to 36,284.36, 50,070.56 and 20,150.78 is: 27,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,284.36 : 50,070.56 = 20,150.78 : x
  2. Step 2: Convert to fraction form
    36,284.36/50,070.56 = 20,150.78/x
  3. Step 3: Cross multiply
    36,284.36x = 50,070.56 × 20,150.78
  4. Step 4: Simplify right side
    36,284.36x = 1,008,960,487.93
  5. Step 5: Solve for x
    x = 1,008,960,487.93/36,284.36
  6. Step 6: Final answer
    x = 27,807.04

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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.