Home / 38,174.15-52,680.47-21,178.73

Finding the Fourth Proportional to 38,174.15, 52,680.47 and 21,178.73

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Solution

The fourth proportional to 38,174.15, 52,680.47 and 21,178.73 is: 29,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.15 : 52,680.47 = 21,178.73 : x
  2. Step 2: Convert to fraction form
    38,174.15/52,680.47 = 21,178.73/x
  3. Step 3: Cross multiply
    38,174.15x = 52,680.47 × 21,178.73
  4. Step 4: Simplify right side
    38,174.15x = 1,115,705,476.21
  5. Step 5: Solve for x
    x = 1,115,705,476.21/38,174.15
  6. Step 6: Final answer
    x = 29,226.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.