Home / 39,889.86-59,834.78-18,822.96

Finding the Fourth Proportional to 39,889.86, 59,834.78 and 18,822.96

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Solution

The fourth proportional to 39,889.86, 59,834.78 and 18,822.96 is: 28,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889.86 : 59,834.78 = 18,822.96 : x
  2. Step 2: Convert to fraction form
    39,889.86/59,834.78 = 18,822.96/x
  3. Step 3: Cross multiply
    39,889.86x = 59,834.78 × 18,822.96
  4. Step 4: Simplify right side
    39,889.86x = 1,126,267,670.55
  5. Step 5: Solve for x
    x = 1,126,267,670.55/39,889.86
  6. Step 6: Final answer
    x = 28,234.44

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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.