Home / 36,144.99-49,880.34-20,230.92

Finding the Fourth Proportional to 36,144.99, 49,880.34 and 20,230.92

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Solution

The fourth proportional to 36,144.99, 49,880.34 and 20,230.92 is: 27,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,144.99 : 49,880.34 = 20,230.92 : x
  2. Step 2: Convert to fraction form
    36,144.99/49,880.34 = 20,230.92/x
  3. Step 3: Cross multiply
    36,144.99x = 49,880.34 × 20,230.92
  4. Step 4: Simplify right side
    36,144.99x = 1,009,125,168.11
  5. Step 5: Solve for x
    x = 1,009,125,168.11/36,144.99
  6. Step 6: Final answer
    x = 27,918.81

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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.