Home / 31,112.51-46,654.99-8,920.83

Finding the Fourth Proportional to 31,112.51, 46,654.99 and 8,920.83

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Solution

The fourth proportional to 31,112.51, 46,654.99 and 8,920.83 is: 13,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112.51 : 46,654.99 = 8,920.83 : x
  2. Step 2: Convert to fraction form
    31,112.51/46,654.99 = 8,920.83/x
  3. Step 3: Cross multiply
    31,112.51x = 46,654.99 × 8,920.83
  4. Step 4: Simplify right side
    31,112.51x = 416,201,387.10
  5. Step 5: Solve for x
    x = 416,201,387.10/31,112.51
  6. Step 6: Final answer
    x = 13,377.30

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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.