Home / 36,645.60-50,571.84-20,729.28

Finding the Fourth Proportional to 36,645.60, 50,571.84 and 20,729.28

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Solution

The fourth proportional to 36,645.60, 50,571.84 and 20,729.28 is: 28,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645.60 : 50,571.84 = 20,729.28 : x
  2. Step 2: Convert to fraction form
    36,645.60/50,571.84 = 20,729.28/x
  3. Step 3: Cross multiply
    36,645.60x = 50,571.84 × 20,729.28
  4. Step 4: Simplify right side
    36,645.60x = 1,048,317,831.48
  5. Step 5: Solve for x
    x = 1,048,317,831.48/36,645.60
  6. Step 6: Final answer
    x = 28,606.92

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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.