Home / 38,965.29-58,426.98-20,198.81

Finding the Fourth Proportional to 38,965.29, 58,426.98 and 20,198.81

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Solution

The fourth proportional to 38,965.29, 58,426.98 and 20,198.81 is: 30,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965.29 : 58,426.98 = 20,198.81 : x
  2. Step 2: Convert to fraction form
    38,965.29/58,426.98 = 20,198.81/x
  3. Step 3: Cross multiply
    38,965.29x = 58,426.98 × 20,198.81
  4. Step 4: Simplify right side
    38,965.29x = 1,180,155,175.76
  5. Step 5: Solve for x
    x = 1,180,155,175.76/38,965.29
  6. Step 6: Final answer
    x = 30,287.34

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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.