Home / 50,639.68-75,945.44-21,065.28

Finding the Fourth Proportional to 50,639.68, 75,945.44 and 21,065.28

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Solution

The fourth proportional to 50,639.68, 75,945.44 and 21,065.28 is: 31,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.68 : 75,945.44 = 21,065.28 : x
  2. Step 2: Convert to fraction form
    50,639.68/75,945.44 = 21,065.28/x
  3. Step 3: Cross multiply
    50,639.68x = 75,945.44 × 21,065.28
  4. Step 4: Simplify right side
    50,639.68x = 1,599,811,958.32
  5. Step 5: Solve for x
    x = 1,599,811,958.32/50,639.68
  6. Step 6: Final answer
    x = 31,592.06

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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.