Home / 50,979.48-70,350.73-28,318.24

Finding the Fourth Proportional to 50,979.48, 70,350.73 and 28,318.24

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Solution

The fourth proportional to 50,979.48, 70,350.73 and 28,318.24 is: 39,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979.48 : 70,350.73 = 28,318.24 : x
  2. Step 2: Convert to fraction form
    50,979.48/70,350.73 = 28,318.24/x
  3. Step 3: Cross multiply
    50,979.48x = 70,350.73 × 28,318.24
  4. Step 4: Simplify right side
    50,979.48x = 1,992,208,873.46
  5. Step 5: Solve for x
    x = 1,992,208,873.46/50,979.48
  6. Step 6: Final answer
    x = 39,078.65

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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.