Home / 31,949.40-47,946.80-11,173.08

Finding the Fourth Proportional to 31,949.40, 47,946.80 and 11,173.08

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Solution

The fourth proportional to 31,949.40, 47,946.80 and 11,173.08 is: 16,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,949.40 : 47,946.80 = 11,173.08 : x
  2. Step 2: Convert to fraction form
    31,949.40/47,946.80 = 11,173.08/x
  3. Step 3: Cross multiply
    31,949.40x = 47,946.80 × 11,173.08
  4. Step 4: Simplify right side
    31,949.40x = 535,713,432.14
  5. Step 5: Solve for x
    x = 535,713,432.14/31,949.40
  6. Step 6: Final answer
    x = 16,767.56

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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.