Home / 31,201.20-43,058.28-17,054.64

Finding the Fourth Proportional to 31,201.20, 43,058.28 and 17,054.64

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Solution

The fourth proportional to 31,201.20, 43,058.28 and 17,054.64 is: 23,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.20 : 43,058.28 = 17,054.64 : x
  2. Step 2: Convert to fraction form
    31,201.20/43,058.28 = 17,054.64/x
  3. Step 3: Cross multiply
    31,201.20x = 43,058.28 × 17,054.64
  4. Step 4: Simplify right side
    31,201.20x = 734,343,464.42
  5. Step 5: Solve for x
    x = 734,343,464.42/31,201.20
  6. Step 6: Final answer
    x = 23,535.74

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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.