Home / 36,145.50-49,881.04-20,231.42

Finding the Fourth Proportional to 36,145.50, 49,881.04 and 20,231.42

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Solution

The fourth proportional to 36,145.50, 49,881.04 and 20,231.42 is: 27,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.50 : 49,881.04 = 20,231.42 : x
  2. Step 2: Convert to fraction form
    36,145.50/49,881.04 = 20,231.42/x
  3. Step 3: Cross multiply
    36,145.50x = 49,881.04 × 20,231.42
  4. Step 4: Simplify right side
    36,145.50x = 1,009,164,270.28
  5. Step 5: Solve for x
    x = 1,009,164,270.28/36,145.50
  6. Step 6: Final answer
    x = 27,919.50

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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.