Home / 31,383.08-43,296.40-17,947.16

Finding the Fourth Proportional to 31,383.08, 43,296.40 and 17,947.16

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Solution

The fourth proportional to 31,383.08, 43,296.40 and 17,947.16 is: 24,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.08 : 43,296.40 = 17,947.16 : x
  2. Step 2: Convert to fraction form
    31,383.08/43,296.40 = 17,947.16/x
  3. Step 3: Cross multiply
    31,383.08x = 43,296.40 × 17,947.16
  4. Step 4: Simplify right side
    31,383.08x = 777,047,418.22
  5. Step 5: Solve for x
    x = 777,047,418.22/31,383.08
  6. Step 6: Final answer
    x = 24,760.08

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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.