Home / 31,710.21-43,789.50-23,738.59

Finding the Fourth Proportional to 31,710.21, 43,789.50 and 23,738.59

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Solution

The fourth proportional to 31,710.21, 43,789.50 and 23,738.59 is: 32,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.21 : 43,789.50 = 23,738.59 : x
  2. Step 2: Convert to fraction form
    31,710.21/43,789.50 = 23,738.59/x
  3. Step 3: Cross multiply
    31,710.21x = 43,789.50 × 23,738.59
  4. Step 4: Simplify right side
    31,710.21x = 1,039,500,927.46
  5. Step 5: Solve for x
    x = 1,039,500,927.46/31,710.21
  6. Step 6: Final answer
    x = 32,781.27

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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.