Home / 31,181.90-43,025.16-17,752.34

Finding the Fourth Proportional to 31,181.90, 43,025.16 and 17,752.34

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Solution

The fourth proportional to 31,181.90, 43,025.16 and 17,752.34 is: 24,494.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.90 : 43,025.16 = 17,752.34 : x
  2. Step 2: Convert to fraction form
    31,181.90/43,025.16 = 17,752.34/x
  3. Step 3: Cross multiply
    31,181.90x = 43,025.16 × 17,752.34
  4. Step 4: Simplify right side
    31,181.90x = 763,797,268.87
  5. Step 5: Solve for x
    x = 763,797,268.87/31,181.90
  6. Step 6: Final answer
    x = 24,494.89

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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.