Home / 50,418.92-75,628.35-20,804.19

Finding the Fourth Proportional to 50,418.92, 75,628.35 and 20,804.19

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Solution

The fourth proportional to 50,418.92, 75,628.35 and 20,804.19 is: 31,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,418.92 : 75,628.35 = 20,804.19 : x
  2. Step 2: Convert to fraction form
    50,418.92/75,628.35 = 20,804.19/x
  3. Step 3: Cross multiply
    50,418.92x = 75,628.35 × 20,804.19
  4. Step 4: Simplify right side
    50,418.92x = 1,573,386,562.79
  5. Step 5: Solve for x
    x = 1,573,386,562.79/50,418.92
  6. Step 6: Final answer
    x = 31,206.28

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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.