Home / 38,207.76-57,313.11-18,206.94

Finding the Fourth Proportional to 38,207.76, 57,313.11 and 18,206.94

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Solution

The fourth proportional to 38,207.76, 57,313.11 and 18,206.94 is: 27,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,207.76 : 57,313.11 = 18,206.94 : x
  2. Step 2: Convert to fraction form
    38,207.76/57,313.11 = 18,206.94/x
  3. Step 3: Cross multiply
    38,207.76x = 57,313.11 × 18,206.94
  4. Step 4: Simplify right side
    38,207.76x = 1,043,496,354.98
  5. Step 5: Solve for x
    x = 1,043,496,354.98/38,207.76
  6. Step 6: Final answer
    x = 27,311.11

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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.