Home / 53,617.38-73,995.48-30,960.60

Finding the Fourth Proportional to 53,617.38, 73,995.48 and 30,960.60

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Solution

The fourth proportional to 53,617.38, 73,995.48 and 30,960.60 is: 42,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,617.38 : 73,995.48 = 30,960.60 : x
  2. Step 2: Convert to fraction form
    53,617.38/73,995.48 = 30,960.60/x
  3. Step 3: Cross multiply
    53,617.38x = 73,995.48 × 30,960.60
  4. Step 4: Simplify right side
    53,617.38x = 2,290,944,458.09
  5. Step 5: Solve for x
    x = 2,290,944,458.09/53,617.38
  6. Step 6: Final answer
    x = 42,727.65

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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.