Home / 31,298.22-46,947.42-9,112.13

Finding the Fourth Proportional to 31,298.22, 46,947.42 and 9,112.13

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Solution

The fourth proportional to 31,298.22, 46,947.42 and 9,112.13 is: 13,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.22 : 46,947.42 = 9,112.13 : x
  2. Step 2: Convert to fraction form
    31,298.22/46,947.42 = 9,112.13/x
  3. Step 3: Cross multiply
    31,298.22x = 46,947.42 × 9,112.13
  4. Step 4: Simplify right side
    31,298.22x = 427,790,759.47
  5. Step 5: Solve for x
    x = 427,790,759.47/31,298.22
  6. Step 6: Final answer
    x = 13,668.21

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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.