Home / 31,203.90-43,056.35-17,775.42

Finding the Fourth Proportional to 31,203.90, 43,056.35 and 17,775.42

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Solution

The fourth proportional to 31,203.90, 43,056.35 and 17,775.42 is: 24,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.90 : 43,056.35 = 17,775.42 : x
  2. Step 2: Convert to fraction form
    31,203.90/43,056.35 = 17,775.42/x
  3. Step 3: Cross multiply
    31,203.90x = 43,056.35 × 17,775.42
  4. Step 4: Simplify right side
    31,203.90x = 765,344,489.64
  5. Step 5: Solve for x
    x = 765,344,489.64/31,203.90
  6. Step 6: Final answer
    x = 24,527.21

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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.