Home / 38,643.14-57,973.62-12,347.84

Finding the Fourth Proportional to 38,643.14, 57,973.62 and 12,347.84

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Solution

The fourth proportional to 38,643.14, 57,973.62 and 12,347.84 is: 18,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643.14 : 57,973.62 = 12,347.84 : x
  2. Step 2: Convert to fraction form
    38,643.14/57,973.62 = 12,347.84/x
  3. Step 3: Cross multiply
    38,643.14x = 57,973.62 × 12,347.84
  4. Step 4: Simplify right side
    38,643.14x = 715,848,983.98
  5. Step 5: Solve for x
    x = 715,848,983.98/38,643.14
  6. Step 6: Final answer
    x = 18,524.61

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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.