Home / 31,359.66-43,276.47-17,212.62

Finding the Fourth Proportional to 31,359.66, 43,276.47 and 17,212.62

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Solution

The fourth proportional to 31,359.66, 43,276.47 and 17,212.62 is: 23,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359.66 : 43,276.47 = 17,212.62 : x
  2. Step 2: Convert to fraction form
    31,359.66/43,276.47 = 17,212.62/x
  3. Step 3: Cross multiply
    31,359.66x = 43,276.47 × 17,212.62
  4. Step 4: Simplify right side
    31,359.66x = 744,901,433.05
  5. Step 5: Solve for x
    x = 744,901,433.05/31,359.66
  6. Step 6: Final answer
    x = 23,753.49

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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.