Home / 31,611.01-43,627.77-18,864.73

Finding the Fourth Proportional to 31,611.01, 43,627.77 and 18,864.73

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Solution

The fourth proportional to 31,611.01, 43,627.77 and 18,864.73 is: 26,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.01 : 43,627.77 = 18,864.73 : x
  2. Step 2: Convert to fraction form
    31,611.01/43,627.77 = 18,864.73/x
  3. Step 3: Cross multiply
    31,611.01x = 43,627.77 × 18,864.73
  4. Step 4: Simplify right side
    31,611.01x = 823,026,007.23
  5. Step 5: Solve for x
    x = 823,026,007.23/31,611.01
  6. Step 6: Final answer
    x = 26,036.06

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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.