Home / 31,460.16-43,414.56-17,312.64

Finding the Fourth Proportional to 31,460.16, 43,414.56 and 17,312.64

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Solution

The fourth proportional to 31,460.16, 43,414.56 and 17,312.64 is: 23,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.16 : 43,414.56 = 17,312.64 : x
  2. Step 2: Convert to fraction form
    31,460.16/43,414.56 = 17,312.64/x
  3. Step 3: Cross multiply
    31,460.16x = 43,414.56 × 17,312.64
  4. Step 4: Simplify right side
    31,460.16x = 751,620,648.04
  5. Step 5: Solve for x
    x = 751,620,648.04/31,460.16
  6. Step 6: Final answer
    x = 23,891.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.