Home / 31,352.39-43,265.73-17,740.31

Finding the Fourth Proportional to 31,352.39, 43,265.73 and 17,740.31

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Solution

The fourth proportional to 31,352.39, 43,265.73 and 17,740.31 is: 24,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.39 : 43,265.73 = 17,740.31 : x
  2. Step 2: Convert to fraction form
    31,352.39/43,265.73 = 17,740.31/x
  3. Step 3: Cross multiply
    31,352.39x = 43,265.73 × 17,740.31
  4. Step 4: Simplify right side
    31,352.39x = 767,547,462.58
  5. Step 5: Solve for x
    x = 767,547,462.58/31,352.39
  6. Step 6: Final answer
    x = 24,481.31

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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.