Home / 63,306.36-94,972.50-21,190.68

Finding the Fourth Proportional to 63,306.36, 94,972.50 and 21,190.68

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Solution

The fourth proportional to 63,306.36, 94,972.50 and 21,190.68 is: 31,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,306.36 : 94,972.50 = 21,190.68 : x
  2. Step 2: Convert to fraction form
    63,306.36/94,972.50 = 21,190.68/x
  3. Step 3: Cross multiply
    63,306.36x = 94,972.50 × 21,190.68
  4. Step 4: Simplify right side
    63,306.36x = 2,012,531,856.30
  5. Step 5: Solve for x
    x = 2,012,531,856.30/63,306.36
  6. Step 6: Final answer
    x = 31,790.36

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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.