Home / 31,511.93-47,281.79-16,717.22

Finding the Fourth Proportional to 31,511.93, 47,281.79 and 16,717.22

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Solution

The fourth proportional to 31,511.93, 47,281.79 and 16,717.22 is: 25,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.93 : 47,281.79 = 16,717.22 : x
  2. Step 2: Convert to fraction form
    31,511.93/47,281.79 = 16,717.22/x
  3. Step 3: Cross multiply
    31,511.93x = 47,281.79 × 16,717.22
  4. Step 4: Simplify right side
    31,511.93x = 790,419,765.43
  5. Step 5: Solve for x
    x = 790,419,765.43/31,511.93
  6. Step 6: Final answer
    x = 25,083.20

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1.5x scale

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.