Home / 31,836.48-43,933.68-17,688.48

Finding the Fourth Proportional to 31,836.48, 43,933.68 and 17,688.48

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Solution

The fourth proportional to 31,836.48, 43,933.68 and 17,688.48 is: 24,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.48 : 43,933.68 = 17,688.48 : x
  2. Step 2: Convert to fraction form
    31,836.48/43,933.68 = 17,688.48/x
  3. Step 3: Cross multiply
    31,836.48x = 43,933.68 × 17,688.48
  4. Step 4: Simplify right side
    31,836.48x = 777,120,020.01
  5. Step 5: Solve for x
    x = 777,120,020.01/31,836.48
  6. Step 6: Final answer
    x = 24,409.73

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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.