Home / 31,887.80-44,006.64-17,745.20

Finding the Fourth Proportional to 31,887.80, 44,006.64 and 17,745.20

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Solution

The fourth proportional to 31,887.80, 44,006.64 and 17,745.20 is: 24,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,887.80 : 44,006.64 = 17,745.20 : x
  2. Step 2: Convert to fraction form
    31,887.80/44,006.64 = 17,745.20/x
  3. Step 3: Cross multiply
    31,887.80x = 44,006.64 × 17,745.20
  4. Step 4: Simplify right side
    31,887.80x = 780,906,628.13
  5. Step 5: Solve for x
    x = 780,906,628.13/31,887.80
  6. Step 6: Final answer
    x = 24,489.20

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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.