Home / 36,776.60-55,076.08-20,933.64

Finding the Fourth Proportional to 36,776.60, 55,076.08 and 20,933.64

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Solution

The fourth proportional to 36,776.60, 55,076.08 and 20,933.64 is: 31,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,776.60 : 55,076.08 = 20,933.64 : x
  2. Step 2: Convert to fraction form
    36,776.60/55,076.08 = 20,933.64/x
  3. Step 3: Cross multiply
    36,776.60x = 55,076.08 × 20,933.64
  4. Step 4: Simplify right side
    36,776.60x = 1,152,942,831.33
  5. Step 5: Solve for x
    x = 1,152,942,831.33/36,776.60
  6. Step 6: Final answer
    x = 31,349.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.