Home / 31,181.08-43,031.64-17,034.16

Finding the Fourth Proportional to 31,181.08, 43,031.64 and 17,034.16

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Solution

The fourth proportional to 31,181.08, 43,031.64 and 17,034.16 is: 23,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.08 : 43,031.64 = 17,034.16 : x
  2. Step 2: Convert to fraction form
    31,181.08/43,031.64 = 17,034.16/x
  3. Step 3: Cross multiply
    31,181.08x = 43,031.64 × 17,034.16
  4. Step 4: Simplify right side
    31,181.08x = 733,007,840.82
  5. Step 5: Solve for x
    x = 733,007,840.82/31,181.08
  6. Step 6: Final answer
    x = 23,508.10

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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.