Home / 50,879.91-70,218.58-28,226.19

Finding the Fourth Proportional to 50,879.91, 70,218.58 and 28,226.19

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Solution

The fourth proportional to 50,879.91, 70,218.58 and 28,226.19 is: 38,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,879.91 : 70,218.58 = 28,226.19 : x
  2. Step 2: Convert to fraction form
    50,879.91/70,218.58 = 28,226.19/x
  3. Step 3: Cross multiply
    50,879.91x = 70,218.58 × 28,226.19
  4. Step 4: Simplify right side
    50,879.91x = 1,982,002,980.61
  5. Step 5: Solve for x
    x = 1,982,002,980.61/50,879.91
  6. Step 6: Final answer
    x = 38,954.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.