Home / 50,803.20-70,103.07-28,141.65

Finding the Fourth Proportional to 50,803.20, 70,103.07 and 28,141.65

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Solution

The fourth proportional to 50,803.20, 70,103.07 and 28,141.65 is: 38,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.20 : 70,103.07 = 28,141.65 : x
  2. Step 2: Convert to fraction form
    50,803.20/70,103.07 = 28,141.65/x
  3. Step 3: Cross multiply
    50,803.20x = 70,103.07 × 28,141.65
  4. Step 4: Simplify right side
    50,803.20x = 1,972,816,059.87
  5. Step 5: Solve for x
    x = 1,972,816,059.87/50,803.20
  6. Step 6: Final answer
    x = 38,832.52

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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.