Home / 31,866.45-43,976.21-17,526.89

Finding the Fourth Proportional to 31,866.45, 43,976.21 and 17,526.89

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Solution

The fourth proportional to 31,866.45, 43,976.21 and 17,526.89 is: 24,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.45 : 43,976.21 = 17,526.89 : x
  2. Step 2: Convert to fraction form
    31,866.45/43,976.21 = 17,526.89/x
  3. Step 3: Cross multiply
    31,866.45x = 43,976.21 × 17,526.89
  4. Step 4: Simplify right side
    31,866.45x = 770,765,887.77
  5. Step 5: Solve for x
    x = 770,765,887.77/31,866.45
  6. Step 6: Final answer
    x = 24,187.38

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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.