Home / 39,364.99-59,029.71-11,278.61

Finding the Fourth Proportional to 39,364.99, 59,029.71 and 11,278.61

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Solution

The fourth proportional to 39,364.99, 59,029.71 and 11,278.61 is: 16,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,364.99 : 59,029.71 = 11,278.61 : x
  2. Step 2: Convert to fraction form
    39,364.99/59,029.71 = 11,278.61/x
  3. Step 3: Cross multiply
    39,364.99x = 59,029.71 × 11,278.61
  4. Step 4: Simplify right side
    39,364.99x = 665,773,356.91
  5. Step 5: Solve for x
    x = 665,773,356.91/39,364.99
  6. Step 6: Final answer
    x = 16,912.83

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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.