Home / 31,303.35-43,198.38-17,156.16

Finding the Fourth Proportional to 31,303.35, 43,198.38 and 17,156.16

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Solution

The fourth proportional to 31,303.35, 43,198.38 and 17,156.16 is: 23,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.35 : 43,198.38 = 17,156.16 : x
  2. Step 2: Convert to fraction form
    31,303.35/43,198.38 = 17,156.16/x
  3. Step 3: Cross multiply
    31,303.35x = 43,198.38 × 17,156.16
  4. Step 4: Simplify right side
    31,303.35x = 741,118,319.02
  5. Step 5: Solve for x
    x = 741,118,319.02/31,303.35
  6. Step 6: Final answer
    x = 23,675.37

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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.