Home / 54,021.76-81,041.28-22,857.28

Finding the Fourth Proportional to 54,021.76, 81,041.28 and 22,857.28

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Solution

The fourth proportional to 54,021.76, 81,041.28 and 22,857.28 is: 34,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,021.76 : 81,041.28 = 22,857.28 : x
  2. Step 2: Convert to fraction form
    54,021.76/81,041.28 = 22,857.28/x
  3. Step 3: Cross multiply
    54,021.76x = 81,041.28 × 22,857.28
  4. Step 4: Simplify right side
    54,021.76x = 1,852,383,228.52
  5. Step 5: Solve for x
    x = 1,852,383,228.52/54,021.76
  6. Step 6: Final answer
    x = 34,289.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.