Home / 31,543.76-43,552.26-19,612.46

Finding the Fourth Proportional to 31,543.76, 43,552.26 and 19,612.46

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Solution

The fourth proportional to 31,543.76, 43,552.26 and 19,612.46 is: 27,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.76 : 43,552.26 = 19,612.46 : x
  2. Step 2: Convert to fraction form
    31,543.76/43,552.26 = 19,612.46/x
  3. Step 3: Cross multiply
    31,543.76x = 43,552.26 × 19,612.46
  4. Step 4: Simplify right side
    31,543.76x = 854,167,066.04
  5. Step 5: Solve for x
    x = 854,167,066.04/31,543.76
  6. Step 6: Final answer
    x = 27,078.79

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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.