Home / 31,326.13-43,229.26-17,178.06

Finding the Fourth Proportional to 31,326.13, 43,229.26 and 17,178.06

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Solution

The fourth proportional to 31,326.13, 43,229.26 and 17,178.06 is: 23,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.13 : 43,229.26 = 17,178.06 : x
  2. Step 2: Convert to fraction form
    31,326.13/43,229.26 = 17,178.06/x
  3. Step 3: Cross multiply
    31,326.13x = 43,229.26 × 17,178.06
  4. Step 4: Simplify right side
    31,326.13x = 742,594,822.04
  5. Step 5: Solve for x
    x = 742,594,822.04/31,326.13
  6. Step 6: Final answer
    x = 23,705.28

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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.