Home / 38,604.18-57,905.66-12,308.75

Finding the Fourth Proportional to 38,604.18, 57,905.66 and 12,308.75

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Solution

The fourth proportional to 38,604.18, 57,905.66 and 12,308.75 is: 18,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604.18 : 57,905.66 = 12,308.75 : x
  2. Step 2: Convert to fraction form
    38,604.18/57,905.66 = 12,308.75/x
  3. Step 3: Cross multiply
    38,604.18x = 57,905.66 × 12,308.75
  4. Step 4: Simplify right side
    38,604.18x = 712,746,003.00
  5. Step 5: Solve for x
    x = 712,746,003.00/38,604.18
  6. Step 6: Final answer
    x = 18,462.92

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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.