Home / 31,359.91-43,276.53-17,212.66

Finding the Fourth Proportional to 31,359.91, 43,276.53 and 17,212.66

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Solution

The fourth proportional to 31,359.91, 43,276.53 and 17,212.66 is: 23,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359.91 : 43,276.53 = 17,212.66 : x
  2. Step 2: Convert to fraction form
    31,359.91/43,276.53 = 17,212.66/x
  3. Step 3: Cross multiply
    31,359.91x = 43,276.53 × 17,212.66
  4. Step 4: Simplify right side
    31,359.91x = 744,904,196.87
  5. Step 5: Solve for x
    x = 744,904,196.87/31,359.91
  6. Step 6: Final answer
    x = 23,753.39

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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.