Home / 52,898.36-79,347.17-13,455.12

Finding the Fourth Proportional to 52,898.36, 79,347.17 and 13,455.12

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Solution

The fourth proportional to 52,898.36, 79,347.17 and 13,455.12 is: 20,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,898.36 : 79,347.17 = 13,455.12 : x
  2. Step 2: Convert to fraction form
    52,898.36/79,347.17 = 13,455.12/x
  3. Step 3: Cross multiply
    52,898.36x = 79,347.17 × 13,455.12
  4. Step 4: Simplify right side
    52,898.36x = 1,067,625,626.73
  5. Step 5: Solve for x
    x = 1,067,625,626.73/52,898.36
  6. Step 6: Final answer
    x = 20,182.59

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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.