Home / 31,322.32-43,226.87-17,175.16

Finding the Fourth Proportional to 31,322.32, 43,226.87 and 17,175.16

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Solution

The fourth proportional to 31,322.32, 43,226.87 and 17,175.16 is: 23,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,322.32 : 43,226.87 = 17,175.16 : x
  2. Step 2: Convert to fraction form
    31,322.32/43,226.87 = 17,175.16/x
  3. Step 3: Cross multiply
    31,322.32x = 43,226.87 × 17,175.16
  4. Step 4: Simplify right side
    31,322.32x = 742,428,498.28
  5. Step 5: Solve for x
    x = 742,428,498.28/31,322.32
  6. Step 6: Final answer
    x = 23,702.86

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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.