Home / 38,512.55-57,775.21-12,223.60

Finding the Fourth Proportional to 38,512.55, 57,775.21 and 12,223.60

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Solution

The fourth proportional to 38,512.55, 57,775.21 and 12,223.60 is: 18,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.55 : 57,775.21 = 12,223.60 : x
  2. Step 2: Convert to fraction form
    38,512.55/57,775.21 = 12,223.60/x
  3. Step 3: Cross multiply
    38,512.55x = 57,775.21 × 12,223.60
  4. Step 4: Simplify right side
    38,512.55x = 706,221,056.96
  5. Step 5: Solve for x
    x = 706,221,056.96/38,512.55
  6. Step 6: Final answer
    x = 18,337.43

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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.