Home / 33,247.76-45,875.18-21,153.05

Finding the Fourth Proportional to 33,247.76, 45,875.18 and 21,153.05

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Solution

The fourth proportional to 33,247.76, 45,875.18 and 21,153.05 is: 29,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,247.76 : 45,875.18 = 21,153.05 : x
  2. Step 2: Convert to fraction form
    33,247.76/45,875.18 = 21,153.05/x
  3. Step 3: Cross multiply
    33,247.76x = 45,875.18 × 21,153.05
  4. Step 4: Simplify right side
    33,247.76x = 970,399,976.30
  5. Step 5: Solve for x
    x = 970,399,976.30/33,247.76
  6. Step 6: Final answer
    x = 29,186.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.