Home / 35,387.20-53,064.39-13,194.62

Finding the Fourth Proportional to 35,387.20, 53,064.39 and 13,194.62

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Solution

The fourth proportional to 35,387.20, 53,064.39 and 13,194.62 is: 19,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387.20 : 53,064.39 = 13,194.62 : x
  2. Step 2: Convert to fraction form
    35,387.20/53,064.39 = 13,194.62/x
  3. Step 3: Cross multiply
    35,387.20x = 53,064.39 × 13,194.62
  4. Step 4: Simplify right side
    35,387.20x = 700,164,286.11
  5. Step 5: Solve for x
    x = 700,164,286.11/35,387.20
  6. Step 6: Final answer
    x = 19,785.81

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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.