Home / 50,979.43-70,352.15-28,319.83

Finding the Fourth Proportional to 50,979.43, 70,352.15 and 28,319.83

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Solution

The fourth proportional to 50,979.43, 70,352.15 and 28,319.83 is: 39,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979.43 : 70,352.15 = 28,319.83 : x
  2. Step 2: Convert to fraction form
    50,979.43/70,352.15 = 28,319.83/x
  3. Step 3: Cross multiply
    50,979.43x = 70,352.15 × 28,319.83
  4. Step 4: Simplify right side
    50,979.43x = 1,992,360,610.65
  5. Step 5: Solve for x
    x = 1,992,360,610.65/50,979.43
  6. Step 6: Final answer
    x = 39,081.66

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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.