Home / 50,660.96-75,991.46-13,220.93

Finding the Fourth Proportional to 50,660.96, 75,991.46 and 13,220.93

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Solution

The fourth proportional to 50,660.96, 75,991.46 and 13,220.93 is: 19,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,660.96 : 75,991.46 = 13,220.93 : x
  2. Step 2: Convert to fraction form
    50,660.96/75,991.46 = 13,220.93/x
  3. Step 3: Cross multiply
    50,660.96x = 75,991.46 × 13,220.93
  4. Step 4: Simplify right side
    50,660.96x = 1,004,677,327.20
  5. Step 5: Solve for x
    x = 1,004,677,327.20/50,660.96
  6. Step 6: Final answer
    x = 19,831.39

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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.