Home / 38,610.06-57,902.73-12,308.64

Finding the Fourth Proportional to 38,610.06, 57,902.73 and 12,308.64

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Solution

The fourth proportional to 38,610.06, 57,902.73 and 12,308.64 is: 18,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,610.06 : 57,902.73 = 12,308.64 : x
  2. Step 2: Convert to fraction form
    38,610.06/57,902.73 = 12,308.64/x
  3. Step 3: Cross multiply
    38,610.06x = 57,902.73 × 12,308.64
  4. Step 4: Simplify right side
    38,610.06x = 712,703,858.59
  5. Step 5: Solve for x
    x = 712,703,858.59/38,610.06
  6. Step 6: Final answer
    x = 18,459.02

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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.