Home / 36,069.78-49,775.37-20,154.36

Finding the Fourth Proportional to 36,069.78, 49,775.37 and 20,154.36

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Solution

The fourth proportional to 36,069.78, 49,775.37 and 20,154.36 is: 27,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069.78 : 49,775.37 = 20,154.36 : x
  2. Step 2: Convert to fraction form
    36,069.78/49,775.37 = 20,154.36/x
  3. Step 3: Cross multiply
    36,069.78x = 49,775.37 × 20,154.36
  4. Step 4: Simplify right side
    36,069.78x = 1,003,190,788.33
  5. Step 5: Solve for x
    x = 1,003,190,788.33/36,069.78
  6. Step 6: Final answer
    x = 27,812.50

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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.