Home / 31,564.25-43,562.82-21,997.95

Finding the Fourth Proportional to 31,564.25, 43,562.82 and 21,997.95

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Solution

The fourth proportional to 31,564.25, 43,562.82 and 21,997.95 is: 30,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.25 : 43,562.82 = 21,997.95 : x
  2. Step 2: Convert to fraction form
    31,564.25/43,562.82 = 21,997.95/x
  3. Step 3: Cross multiply
    31,564.25x = 43,562.82 × 21,997.95
  4. Step 4: Simplify right side
    31,564.25x = 958,292,818.71
  5. Step 5: Solve for x
    x = 958,292,818.71/31,564.25
  6. Step 6: Final answer
    x = 30,360.07

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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.