Home / 31,212.46-43,062.64-17,774.18

Finding the Fourth Proportional to 31,212.46, 43,062.64 and 17,774.18

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Solution

The fourth proportional to 31,212.46, 43,062.64 and 17,774.18 is: 24,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.46 : 43,062.64 = 17,774.18 : x
  2. Step 2: Convert to fraction form
    31,212.46/43,062.64 = 17,774.18/x
  3. Step 3: Cross multiply
    31,212.46x = 43,062.64 × 17,774.18
  4. Step 4: Simplify right side
    31,212.46x = 765,403,025.76
  5. Step 5: Solve for x
    x = 765,403,025.76/31,212.46
  6. Step 6: Final answer
    x = 24,522.36

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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.