Home / 38,917.06-58,387.84-12,261.98

Finding the Fourth Proportional to 38,917.06, 58,387.84 and 12,261.98

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Solution

The fourth proportional to 38,917.06, 58,387.84 and 12,261.98 is: 18,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,917.06 : 58,387.84 = 12,261.98 : x
  2. Step 2: Convert to fraction form
    38,917.06/58,387.84 = 12,261.98/x
  3. Step 3: Cross multiply
    38,917.06x = 58,387.84 × 12,261.98
  4. Step 4: Simplify right side
    38,917.06x = 715,950,641.64
  5. Step 5: Solve for x
    x = 715,950,641.64/38,917.06
  6. Step 6: Final answer
    x = 18,396.83

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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.