Home / 31,097.20-46,645.80-15,512.80

Finding the Fourth Proportional to 31,097.20, 46,645.80 and 15,512.80

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Solution

The fourth proportional to 31,097.20, 46,645.80 and 15,512.80 is: 23,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,097.20 : 46,645.80 = 15,512.80 : x
  2. Step 2: Convert to fraction form
    31,097.20/46,645.80 = 15,512.80/x
  3. Step 3: Cross multiply
    31,097.20x = 46,645.80 × 15,512.80
  4. Step 4: Simplify right side
    31,097.20x = 723,606,966.24
  5. Step 5: Solve for x
    x = 723,606,966.24/31,097.20
  6. Step 6: Final answer
    x = 23,269.20

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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.