Home / 38,178.24-57,267.68-11,881.92

Finding the Fourth Proportional to 38,178.24, 57,267.68 and 11,881.92

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Solution

The fourth proportional to 38,178.24, 57,267.68 and 11,881.92 is: 17,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.24 : 57,267.68 = 11,881.92 : x
  2. Step 2: Convert to fraction form
    38,178.24/57,267.68 = 11,881.92/x
  3. Step 3: Cross multiply
    38,178.24x = 57,267.68 × 11,881.92
  4. Step 4: Simplify right side
    38,178.24x = 680,449,992.35
  5. Step 5: Solve for x
    x = 680,449,992.35/38,178.24
  6. Step 6: Final answer
    x = 17,822.98

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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.