Home / 31,643.30-47,378.48-22,767.50

Finding the Fourth Proportional to 31,643.30, 47,378.48 and 22,767.50

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Solution

The fourth proportional to 31,643.30, 47,378.48 and 22,767.50 is: 34,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,643.30 : 47,378.48 = 22,767.50 : x
  2. Step 2: Convert to fraction form
    31,643.30/47,378.48 = 22,767.50/x
  3. Step 3: Cross multiply
    31,643.30x = 47,378.48 × 22,767.50
  4. Step 4: Simplify right side
    31,643.30x = 1,078,689,481.87
  5. Step 5: Solve for x
    x = 1,078,689,481.87/31,643.30
  6. Step 6: Final answer
    x = 34,089.04

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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.