Home / 50,003.52-74,990.40-18,831.36

Finding the Fourth Proportional to 50,003.52, 74,990.40 and 18,831.36

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Solution

The fourth proportional to 50,003.52, 74,990.40 and 18,831.36 is: 28,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,003.52 : 74,990.40 = 18,831.36 : x
  2. Step 2: Convert to fraction form
    50,003.52/74,990.40 = 18,831.36/x
  3. Step 3: Cross multiply
    50,003.52x = 74,990.40 × 18,831.36
  4. Step 4: Simplify right side
    50,003.52x = 1,412,171,218.94
  5. Step 5: Solve for x
    x = 1,412,171,218.94/50,003.52
  6. Step 6: Final answer
    x = 28,241.44

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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.