Home / 51,203.39-76,753.44-21,176.18

Finding the Fourth Proportional to 51,203.39, 76,753.44 and 21,176.18

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Solution

The fourth proportional to 51,203.39, 76,753.44 and 21,176.18 is: 31,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,203.39 : 76,753.44 = 21,176.18 : x
  2. Step 2: Convert to fraction form
    51,203.39/76,753.44 = 21,176.18/x
  3. Step 3: Cross multiply
    51,203.39x = 76,753.44 × 21,176.18
  4. Step 4: Simplify right side
    51,203.39x = 1,625,344,349.25
  5. Step 5: Solve for x
    x = 1,625,344,349.25/51,203.39
  6. Step 6: Final answer
    x = 31,742.90

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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.