Home / 31,201.20-43,055.56-17,051.12

Finding the Fourth Proportional to 31,201.20, 43,055.56 and 17,051.12

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Solution

The fourth proportional to 31,201.20, 43,055.56 and 17,051.12 is: 23,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.20 : 43,055.56 = 17,051.12 : x
  2. Step 2: Convert to fraction form
    31,201.20/43,055.56 = 17,051.12/x
  3. Step 3: Cross multiply
    31,201.20x = 43,055.56 × 17,051.12
  4. Step 4: Simplify right side
    31,201.20x = 734,145,520.23
  5. Step 5: Solve for x
    x = 734,145,520.23/31,201.20
  6. Step 6: Final answer
    x = 23,529.40

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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.