Home / 31,188.14-43,039.56-17,041.10

Finding the Fourth Proportional to 31,188.14, 43,039.56 and 17,041.10

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Solution

The fourth proportional to 31,188.14, 43,039.56 and 17,041.10 is: 23,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.14 : 43,039.56 = 17,041.10 : x
  2. Step 2: Convert to fraction form
    31,188.14/43,039.56 = 17,041.10/x
  3. Step 3: Cross multiply
    31,188.14x = 43,039.56 × 17,041.10
  4. Step 4: Simplify right side
    31,188.14x = 733,441,445.92
  5. Step 5: Solve for x
    x = 733,441,445.92/31,188.14
  6. Step 6: Final answer
    x = 23,516.68

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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.