Home / 31,329.59-43,231.86-17,900.73

Finding the Fourth Proportional to 31,329.59, 43,231.86 and 17,900.73

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Solution

The fourth proportional to 31,329.59, 43,231.86 and 17,900.73 is: 24,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.59 : 43,231.86 = 17,900.73 : x
  2. Step 2: Convert to fraction form
    31,329.59/43,231.86 = 17,900.73/x
  3. Step 3: Cross multiply
    31,329.59x = 43,231.86 × 17,900.73
  4. Step 4: Simplify right side
    31,329.59x = 773,881,853.26
  5. Step 5: Solve for x
    x = 773,881,853.26/31,329.59
  6. Step 6: Final answer
    x = 24,701.31

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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.