Home / 50,939.84-70,288.44-28,275.20

Finding the Fourth Proportional to 50,939.84, 70,288.44 and 28,275.20

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Solution

The fourth proportional to 50,939.84, 70,288.44 and 28,275.20 is: 39,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,939.84 : 70,288.44 = 28,275.20 : x
  2. Step 2: Convert to fraction form
    50,939.84/70,288.44 = 28,275.20/x
  3. Step 3: Cross multiply
    50,939.84x = 70,288.44 × 28,275.20
  4. Step 4: Simplify right side
    50,939.84x = 1,987,419,698.69
  5. Step 5: Solve for x
    x = 1,987,419,698.69/50,939.84
  6. Step 6: Final answer
    x = 39,015.04

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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.