Home / 45,631.98-68,447.73-12,351.93

Finding the Fourth Proportional to 45,631.98, 68,447.73 and 12,351.93

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Solution

The fourth proportional to 45,631.98, 68,447.73 and 12,351.93 is: 18,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631.98 : 68,447.73 = 12,351.93 : x
  2. Step 2: Convert to fraction form
    45,631.98/68,447.73 = 12,351.93/x
  3. Step 3: Cross multiply
    45,631.98x = 68,447.73 × 12,351.93
  4. Step 4: Simplify right side
    45,631.98x = 845,461,569.62
  5. Step 5: Solve for x
    x = 845,461,569.62/45,631.98
  6. Step 6: Final answer
    x = 18,527.83

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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.