Home / 50,550.41-75,772.23-18,939.81

Finding the Fourth Proportional to 50,550.41, 75,772.23 and 18,939.81

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Solution

The fourth proportional to 50,550.41, 75,772.23 and 18,939.81 is: 28,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,550.41 : 75,772.23 = 18,939.81 : x
  2. Step 2: Convert to fraction form
    50,550.41/75,772.23 = 18,939.81/x
  3. Step 3: Cross multiply
    50,550.41x = 75,772.23 × 18,939.81
  4. Step 4: Simplify right side
    50,550.41x = 1,435,111,639.48
  5. Step 5: Solve for x
    x = 1,435,111,639.48/50,550.41
  6. Step 6: Final answer
    x = 28,389.72

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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.