Home / 53,517.12-73,847.26-30,863.52

Finding the Fourth Proportional to 53,517.12, 73,847.26 and 30,863.52

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Solution

The fourth proportional to 53,517.12, 73,847.26 and 30,863.52 is: 42,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,517.12 : 73,847.26 = 30,863.52 : x
  2. Step 2: Convert to fraction form
    53,517.12/73,847.26 = 30,863.52/x
  3. Step 3: Cross multiply
    53,517.12x = 73,847.26 × 30,863.52
  4. Step 4: Simplify right side
    53,517.12x = 2,279,186,385.96
  5. Step 5: Solve for x
    x = 2,279,186,385.96/53,517.12
  6. Step 6: Final answer
    x = 42,587.99

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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.