Home / 53,600.89-80,401.34-18,521.41

Finding the Fourth Proportional to 53,600.89, 80,401.34 and 18,521.41

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Solution

The fourth proportional to 53,600.89, 80,401.34 and 18,521.41 is: 27,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,600.89 : 80,401.34 = 18,521.41 : x
  2. Step 2: Convert to fraction form
    53,600.89/80,401.34 = 18,521.41/x
  3. Step 3: Cross multiply
    53,600.89x = 80,401.34 × 18,521.41
  4. Step 4: Simplify right side
    53,600.89x = 1,489,146,182.69
  5. Step 5: Solve for x
    x = 1,489,146,182.69/53,600.89
  6. Step 6: Final answer
    x = 27,782.12

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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.