Home / 55,684.55-83,542.34-18,270.92

Finding the Fourth Proportional to 55,684.55, 83,542.34 and 18,270.92

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Solution

The fourth proportional to 55,684.55, 83,542.34 and 18,270.92 is: 27,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,684.55 : 83,542.34 = 18,270.92 : x
  2. Step 2: Convert to fraction form
    55,684.55/83,542.34 = 18,270.92/x
  3. Step 3: Cross multiply
    55,684.55x = 83,542.34 × 18,270.92
  4. Step 4: Simplify right side
    55,684.55x = 1,526,395,410.75
  5. Step 5: Solve for x
    x = 1,526,395,410.75/55,684.55
  6. Step 6: Final answer
    x = 27,411.47

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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.