Home / 31,552.47-43,543.23-17,212.55

Finding the Fourth Proportional to 31,552.47, 43,543.23 and 17,212.55

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Solution

The fourth proportional to 31,552.47, 43,543.23 and 17,212.55 is: 23,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.47 : 43,543.23 = 17,212.55 : x
  2. Step 2: Convert to fraction form
    31,552.47/43,543.23 = 17,212.55/x
  3. Step 3: Cross multiply
    31,552.47x = 43,543.23 × 17,212.55
  4. Step 4: Simplify right side
    31,552.47x = 749,489,805.82
  5. Step 5: Solve for x
    x = 749,489,805.82/31,552.47
  6. Step 6: Final answer
    x = 23,753.76

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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.