Home / 55,720.68-83,580.22-22,439.88

Finding the Fourth Proportional to 55,720.68, 83,580.22 and 22,439.88

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Solution

The fourth proportional to 55,720.68, 83,580.22 and 22,439.88 is: 33,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,720.68 : 83,580.22 = 22,439.88 : x
  2. Step 2: Convert to fraction form
    55,720.68/83,580.22 = 22,439.88/x
  3. Step 3: Cross multiply
    55,720.68x = 83,580.22 × 22,439.88
  4. Step 4: Simplify right side
    55,720.68x = 1,875,530,107.17
  5. Step 5: Solve for x
    x = 1,875,530,107.17/55,720.68
  6. Step 6: Final answer
    x = 33,659.50

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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.