Home / 31,685.24-43,727.01-17,538.08

Finding the Fourth Proportional to 31,685.24, 43,727.01 and 17,538.08

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Solution

The fourth proportional to 31,685.24, 43,727.01 and 17,538.08 is: 24,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,685.24 : 43,727.01 = 17,538.08 : x
  2. Step 2: Convert to fraction form
    31,685.24/43,727.01 = 17,538.08/x
  3. Step 3: Cross multiply
    31,685.24x = 43,727.01 × 17,538.08
  4. Step 4: Simplify right side
    31,685.24x = 766,887,799.54
  5. Step 5: Solve for x
    x = 766,887,799.54/31,685.24
  6. Step 6: Final answer
    x = 24,203.31

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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.