Home / 39,285-58,929.33-11,206.98

Finding the Fourth Proportional to 39,285, 58,929.33 and 11,206.98

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Solution

The fourth proportional to 39,285, 58,929.33 and 11,206.98 is: 16,810.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285 : 58,929.33 = 11,206.98 : x
  2. Step 2: Convert to fraction form
    39,285/58,929.33 = 11,206.98/x
  3. Step 3: Cross multiply
    39,285x = 58,929.33 × 11,206.98
  4. Step 4: Simplify right side
    39,285x = 660,419,822.72
  5. Step 5: Solve for x
    x = 660,419,822.72/39,285
  6. Step 6: Final answer
    x = 16,810.99

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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.