Home / 31,399.71-43,330.77-17,252.58

Finding the Fourth Proportional to 31,399.71, 43,330.77 and 17,252.58

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Solution

The fourth proportional to 31,399.71, 43,330.77 and 17,252.58 is: 23,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.71 : 43,330.77 = 17,252.58 : x
  2. Step 2: Convert to fraction form
    31,399.71/43,330.77 = 17,252.58/x
  3. Step 3: Cross multiply
    31,399.71x = 43,330.77 × 17,252.58
  4. Step 4: Simplify right side
    31,399.71x = 747,567,575.89
  5. Step 5: Solve for x
    x = 747,567,575.89/31,399.71
  6. Step 6: Final answer
    x = 23,808.10

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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.