Home / 40,787.81-56,286.29-22,882.49

Finding the Fourth Proportional to 40,787.81, 56,286.29 and 22,882.49

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Solution

The fourth proportional to 40,787.81, 56,286.29 and 22,882.49 is: 31,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.81 : 56,286.29 = 22,882.49 : x
  2. Step 2: Convert to fraction form
    40,787.81/56,286.29 = 22,882.49/x
  3. Step 3: Cross multiply
    40,787.81x = 56,286.29 × 22,882.49
  4. Step 4: Simplify right side
    40,787.81x = 1,287,970,468.06
  5. Step 5: Solve for x
    x = 1,287,970,468.06/40,787.81
  6. Step 6: Final answer
    x = 31,577.34

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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.