Home / 39,129.48-58,645.62-18,309.24

Finding the Fourth Proportional to 39,129.48, 58,645.62 and 18,309.24

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Solution

The fourth proportional to 39,129.48, 58,645.62 and 18,309.24 is: 27,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.48 : 58,645.62 = 18,309.24 : x
  2. Step 2: Convert to fraction form
    39,129.48/58,645.62 = 18,309.24/x
  3. Step 3: Cross multiply
    39,129.48x = 58,645.62 × 18,309.24
  4. Step 4: Simplify right side
    39,129.48x = 1,073,756,731.53
  5. Step 5: Solve for x
    x = 1,073,756,731.53/39,129.48
  6. Step 6: Final answer
    x = 27,441.12

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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.