Home / 40,356.84-55,687.14-22,448.28

Finding the Fourth Proportional to 40,356.84, 55,687.14 and 22,448.28

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Solution

The fourth proportional to 40,356.84, 55,687.14 and 22,448.28 is: 30,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,356.84 : 55,687.14 = 22,448.28 : x
  2. Step 2: Convert to fraction form
    40,356.84/55,687.14 = 22,448.28/x
  3. Step 3: Cross multiply
    40,356.84x = 55,687.14 × 22,448.28
  4. Step 4: Simplify right side
    40,356.84x = 1,250,080,511.12
  5. Step 5: Solve for x
    x = 1,250,080,511.12/40,356.84
  6. Step 6: Final answer
    x = 30,975.68

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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.