Home / 31,201.47-43,057.92-17,054.40

Finding the Fourth Proportional to 31,201.47, 43,057.92 and 17,054.40

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Solution

The fourth proportional to 31,201.47, 43,057.92 and 17,054.40 is: 23,535.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.47 : 43,057.92 = 17,054.40 : x
  2. Step 2: Convert to fraction form
    31,201.47/43,057.92 = 17,054.40/x
  3. Step 3: Cross multiply
    31,201.47x = 43,057.92 × 17,054.40
  4. Step 4: Simplify right side
    31,201.47x = 734,326,990.85
  5. Step 5: Solve for x
    x = 734,326,990.85/31,201.47
  6. Step 6: Final answer
    x = 23,535.01

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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.