Home / 31,326.08-43,229.98-17,178.62

Finding the Fourth Proportional to 31,326.08, 43,229.98 and 17,178.62

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Solution

The fourth proportional to 31,326.08, 43,229.98 and 17,178.62 is: 23,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.08 : 43,229.98 = 17,178.62 : x
  2. Step 2: Convert to fraction form
    31,326.08/43,229.98 = 17,178.62/x
  3. Step 3: Cross multiply
    31,326.08x = 43,229.98 × 17,178.62
  4. Step 4: Simplify right side
    31,326.08x = 742,631,399.03
  5. Step 5: Solve for x
    x = 742,631,399.03/31,326.08
  6. Step 6: Final answer
    x = 23,706.49

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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.