Home / 31,394.12-43,323.60-17,053.64

Finding the Fourth Proportional to 31,394.12, 43,323.60 and 17,053.64

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Solution

The fourth proportional to 31,394.12, 43,323.60 and 17,053.64 is: 23,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.12 : 43,323.60 = 17,053.64 : x
  2. Step 2: Convert to fraction form
    31,394.12/43,323.60 = 17,053.64/x
  3. Step 3: Cross multiply
    31,394.12x = 43,323.60 × 17,053.64
  4. Step 4: Simplify right side
    31,394.12x = 738,825,077.90
  5. Step 5: Solve for x
    x = 738,825,077.90/31,394.12
  6. Step 6: Final answer
    x = 23,533.87

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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.