Home / 38,269.11-57,395.47-11,970.44

Finding the Fourth Proportional to 38,269.11, 57,395.47 and 11,970.44

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Solution

The fourth proportional to 38,269.11, 57,395.47 and 11,970.44 is: 17,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.11 : 57,395.47 = 11,970.44 : x
  2. Step 2: Convert to fraction form
    38,269.11/57,395.47 = 11,970.44/x
  3. Step 3: Cross multiply
    38,269.11x = 57,395.47 × 11,970.44
  4. Step 4: Simplify right side
    38,269.11x = 687,049,029.91
  5. Step 5: Solve for x
    x = 687,049,029.91/38,269.11
  6. Step 6: Final answer
    x = 17,953.10

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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.