Home / 39,650.76-59,481-18,579.96

Finding the Fourth Proportional to 39,650.76, 59,481 and 18,579.96

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Solution

The fourth proportional to 39,650.76, 59,481 and 18,579.96 is: 27,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,650.76 : 59,481 = 18,579.96 : x
  2. Step 2: Convert to fraction form
    39,650.76/59,481 = 18,579.96/x
  3. Step 3: Cross multiply
    39,650.76x = 59,481 × 18,579.96
  4. Step 4: Simplify right side
    39,650.76x = 1,105,154,600.76
  5. Step 5: Solve for x
    x = 1,105,154,600.76/39,650.76
  6. Step 6: Final answer
    x = 27,872.22

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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.