Home / 33,218.17-45,812.86-28,069.27

Finding the Fourth Proportional to 33,218.17, 45,812.86 and 28,069.27

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Solution

The fourth proportional to 33,218.17, 45,812.86 and 28,069.27 is: 38,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.17 : 45,812.86 = 28,069.27 : x
  2. Step 2: Convert to fraction form
    33,218.17/45,812.86 = 28,069.27/x
  3. Step 3: Cross multiply
    33,218.17x = 45,812.86 × 28,069.27
  4. Step 4: Simplify right side
    33,218.17x = 1,285,933,510.00
  5. Step 5: Solve for x
    x = 1,285,933,510.00/33,218.17
  6. Step 6: Final answer
    x = 38,711.75

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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.