Home / 45,877-68,827.06-13,045

Finding the Fourth Proportional to 45,877, 68,827.06 and 13,045

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Solution

The fourth proportional to 45,877, 68,827.06 and 13,045 is: 19,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,877 : 68,827.06 = 13,045 : x
  2. Step 2: Convert to fraction form
    45,877/68,827.06 = 13,045/x
  3. Step 3: Cross multiply
    45,877x = 68,827.06 × 13,045
  4. Step 4: Simplify right side
    45,877x = 897,848,997.70
  5. Step 5: Solve for x
    x = 897,848,997.70/45,877
  6. Step 6: Final answer
    x = 19,570.79

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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.