Home / 55,760.90-83,649.45-18,314.60

Finding the Fourth Proportional to 55,760.90, 83,649.45 and 18,314.60

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Solution

The fourth proportional to 55,760.90, 83,649.45 and 18,314.60 is: 27,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,760.90 : 83,649.45 = 18,314.60 : x
  2. Step 2: Convert to fraction form
    55,760.90/83,649.45 = 18,314.60/x
  3. Step 3: Cross multiply
    55,760.90x = 83,649.45 × 18,314.60
  4. Step 4: Simplify right side
    55,760.90x = 1,532,006,216.97
  5. Step 5: Solve for x
    x = 1,532,006,216.97/55,760.90
  6. Step 6: Final answer
    x = 27,474.56

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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.