Home / 51,204.82-76,820.19-21,607.42

Finding the Fourth Proportional to 51,204.82, 76,820.19 and 21,607.42

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Solution

The fourth proportional to 51,204.82, 76,820.19 and 21,607.42 is: 32,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.82 : 76,820.19 = 21,607.42 : x
  2. Step 2: Convert to fraction form
    51,204.82/76,820.19 = 21,607.42/x
  3. Step 3: Cross multiply
    51,204.82x = 76,820.19 × 21,607.42
  4. Step 4: Simplify right side
    51,204.82x = 1,659,886,109.81
  5. Step 5: Solve for x
    x = 1,659,886,109.81/51,204.82
  6. Step 6: Final answer
    x = 32,416.60

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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.