Home / 57,764.30-86,649.53-18,324.45

Finding the Fourth Proportional to 57,764.30, 86,649.53 and 18,324.45

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Solution

The fourth proportional to 57,764.30, 86,649.53 and 18,324.45 is: 27,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.30 : 86,649.53 = 18,324.45 : x
  2. Step 2: Convert to fraction form
    57,764.30/86,649.53 = 18,324.45/x
  3. Step 3: Cross multiply
    57,764.30x = 86,649.53 × 18,324.45
  4. Step 4: Simplify right side
    57,764.30x = 1,587,804,888.39
  5. Step 5: Solve for x
    x = 1,587,804,888.39/57,764.30
  6. Step 6: Final answer
    x = 27,487.65

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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.