Home / 53,540.62-73,884.83-30,879.65

Finding the Fourth Proportional to 53,540.62, 73,884.83 and 30,879.65

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Solution

The fourth proportional to 53,540.62, 73,884.83 and 30,879.65 is: 42,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.62 : 73,884.83 = 30,879.65 : x
  2. Step 2: Convert to fraction form
    53,540.62/73,884.83 = 30,879.65/x
  3. Step 3: Cross multiply
    53,540.62x = 73,884.83 × 30,879.65
  4. Step 4: Simplify right side
    53,540.62x = 2,281,537,721.02
  5. Step 5: Solve for x
    x = 2,281,537,721.02/53,540.62
  6. Step 6: Final answer
    x = 42,613.21

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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.