Home / 50,428.88-75,634.40-18,831.88

Finding the Fourth Proportional to 50,428.88, 75,634.40 and 18,831.88

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Solution

The fourth proportional to 50,428.88, 75,634.40 and 18,831.88 is: 28,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,428.88 : 75,634.40 = 18,831.88 : x
  2. Step 2: Convert to fraction form
    50,428.88/75,634.40 = 18,831.88/x
  3. Step 3: Cross multiply
    50,428.88x = 75,634.40 × 18,831.88
  4. Step 4: Simplify right side
    50,428.88x = 1,424,337,944.67
  5. Step 5: Solve for x
    x = 1,424,337,944.67/50,428.88
  6. Step 6: Final answer
    x = 28,244.49

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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.