Home / 31,828.68-43,922.79-17,681.56

Finding the Fourth Proportional to 31,828.68, 43,922.79 and 17,681.56

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Solution

The fourth proportional to 31,828.68, 43,922.79 and 17,681.56 is: 24,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.68 : 43,922.79 = 17,681.56 : x
  2. Step 2: Convert to fraction form
    31,828.68/43,922.79 = 17,681.56/x
  3. Step 3: Cross multiply
    31,828.68x = 43,922.79 × 17,681.56
  4. Step 4: Simplify right side
    31,828.68x = 776,623,336.95
  5. Step 5: Solve for x
    x = 776,623,336.95/31,828.68
  6. Step 6: Final answer
    x = 24,400.11

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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.