Home / 39,963.03-55,145.05-22,056.88

Finding the Fourth Proportional to 39,963.03, 55,145.05 and 22,056.88

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Solution

The fourth proportional to 39,963.03, 55,145.05 and 22,056.88 is: 30,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963.03 : 55,145.05 = 22,056.88 : x
  2. Step 2: Convert to fraction form
    39,963.03/55,145.05 = 22,056.88/x
  3. Step 3: Cross multiply
    39,963.03x = 55,145.05 × 22,056.88
  4. Step 4: Simplify right side
    39,963.03x = 1,216,327,557.44
  5. Step 5: Solve for x
    x = 1,216,327,557.44/39,963.03
  6. Step 6: Final answer
    x = 30,436.32

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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.