Home / 50,879.20-70,217.61-28,225.50

Finding the Fourth Proportional to 50,879.20, 70,217.61 and 28,225.50

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Solution

The fourth proportional to 50,879.20, 70,217.61 and 28,225.50 is: 38,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,879.20 : 70,217.61 = 28,225.50 : x
  2. Step 2: Convert to fraction form
    50,879.20/70,217.61 = 28,225.50/x
  3. Step 3: Cross multiply
    50,879.20x = 70,217.61 × 28,225.50
  4. Step 4: Simplify right side
    50,879.20x = 1,981,927,151.06
  5. Step 5: Solve for x
    x = 1,981,927,151.06/50,879.20
  6. Step 6: Final answer
    x = 38,953.58

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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.