Home / 50,414.31-75,621.83-18,831.51

Finding the Fourth Proportional to 50,414.31, 75,621.83 and 18,831.51

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Solution

The fourth proportional to 50,414.31, 75,621.83 and 18,831.51 is: 28,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,414.31 : 75,621.83 = 18,831.51 : x
  2. Step 2: Convert to fraction form
    50,414.31/75,621.83 = 18,831.51/x
  3. Step 3: Cross multiply
    50,414.31x = 75,621.83 × 18,831.51
  4. Step 4: Simplify right side
    50,414.31x = 1,424,073,153.71
  5. Step 5: Solve for x
    x = 1,424,073,153.71/50,414.31
  6. Step 6: Final answer
    x = 28,247.40

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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.