Home / 31,352.22-47,027.84-12,631.82

Finding the Fourth Proportional to 31,352.22, 47,027.84 and 12,631.82

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Solution

The fourth proportional to 31,352.22, 47,027.84 and 12,631.82 is: 18,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.22 : 47,027.84 = 12,631.82 : x
  2. Step 2: Convert to fraction form
    31,352.22/47,027.84 = 12,631.82/x
  3. Step 3: Cross multiply
    31,352.22x = 47,027.84 × 12,631.82
  4. Step 4: Simplify right side
    31,352.22x = 594,046,911.57
  5. Step 5: Solve for x
    x = 594,046,911.57/31,352.22
  6. Step 6: Final answer
    x = 18,947.52

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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.