Home / 36,172.79-49,918.44-20,041.15

Finding the Fourth Proportional to 36,172.79, 49,918.44 and 20,041.15

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Solution

The fourth proportional to 36,172.79, 49,918.44 and 20,041.15 is: 27,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.79 : 49,918.44 = 20,041.15 : x
  2. Step 2: Convert to fraction form
    36,172.79/49,918.44 = 20,041.15/x
  3. Step 3: Cross multiply
    36,172.79x = 49,918.44 × 20,041.15
  4. Step 4: Simplify right side
    36,172.79x = 1,000,422,819.01
  5. Step 5: Solve for x
    x = 1,000,422,819.01/36,172.79
  6. Step 6: Final answer
    x = 27,656.78

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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.