Home / 53,110.62-73,292.22-30,449.64

Finding the Fourth Proportional to 53,110.62, 73,292.22 and 30,449.64

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Solution

The fourth proportional to 53,110.62, 73,292.22 and 30,449.64 is: 42,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,110.62 : 73,292.22 = 30,449.64 : x
  2. Step 2: Convert to fraction form
    53,110.62/73,292.22 = 30,449.64/x
  3. Step 3: Cross multiply
    53,110.62x = 73,292.22 × 30,449.64
  4. Step 4: Simplify right side
    53,110.62x = 2,231,721,713.80
  5. Step 5: Solve for x
    x = 2,231,721,713.80/53,110.62
  6. Step 6: Final answer
    x = 42,020.25

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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.