Home / 31,097.70-46,646.46-10,321.20

Finding the Fourth Proportional to 31,097.70, 46,646.46 and 10,321.20

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Solution

The fourth proportional to 31,097.70, 46,646.46 and 10,321.20 is: 15,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,097.70 : 46,646.46 = 10,321.20 : x
  2. Step 2: Convert to fraction form
    31,097.70/46,646.46 = 10,321.20/x
  3. Step 3: Cross multiply
    31,097.70x = 46,646.46 × 10,321.20
  4. Step 4: Simplify right side
    31,097.70x = 481,447,442.95
  5. Step 5: Solve for x
    x = 481,447,442.95/31,097.70
  6. Step 6: Final answer
    x = 15,481.77

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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.