Home / 45,608.75-68,395.67-21,909.70

Finding the Fourth Proportional to 45,608.75, 68,395.67 and 21,909.70

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Solution

The fourth proportional to 45,608.75, 68,395.67 and 21,909.70 is: 32,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,608.75 : 68,395.67 = 21,909.70 : x
  2. Step 2: Convert to fraction form
    45,608.75/68,395.67 = 21,909.70/x
  3. Step 3: Cross multiply
    45,608.75x = 68,395.67 × 21,909.70
  4. Step 4: Simplify right side
    45,608.75x = 1,498,528,792.35
  5. Step 5: Solve for x
    x = 1,498,528,792.35/45,608.75
  6. Step 6: Final answer
    x = 32,856.17

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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.