Home / 39,116.82-58,688.67-11,418.90

Finding the Fourth Proportional to 39,116.82, 58,688.67 and 11,418.90

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Solution

The fourth proportional to 39,116.82, 58,688.67 and 11,418.90 is: 17,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,116.82 : 58,688.67 = 11,418.90 : x
  2. Step 2: Convert to fraction form
    39,116.82/58,688.67 = 11,418.90/x
  3. Step 3: Cross multiply
    39,116.82x = 58,688.67 × 11,418.90
  4. Step 4: Simplify right side
    39,116.82x = 670,160,053.86
  5. Step 5: Solve for x
    x = 670,160,053.86/39,116.82
  6. Step 6: Final answer
    x = 17,132.27

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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.