Home / 53,297.20-73,553.70-30,643.66

Finding the Fourth Proportional to 53,297.20, 73,553.70 and 30,643.66

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Solution

The fourth proportional to 53,297.20, 73,553.70 and 30,643.66 is: 42,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.20 : 73,553.70 = 30,643.66 : x
  2. Step 2: Convert to fraction form
    53,297.20/73,553.70 = 30,643.66/x
  3. Step 3: Cross multiply
    53,297.20x = 73,553.70 × 30,643.66
  4. Step 4: Simplify right side
    53,297.20x = 2,253,954,574.54
  5. Step 5: Solve for x
    x = 2,253,954,574.54/53,297.20
  6. Step 6: Final answer
    x = 42,290.30

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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.