Home / 31,645.51-43,655.94-22,572.88

Finding the Fourth Proportional to 31,645.51, 43,655.94 and 22,572.88

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Solution

The fourth proportional to 31,645.51, 43,655.94 and 22,572.88 is: 31,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645.51 : 43,655.94 = 22,572.88 : x
  2. Step 2: Convert to fraction form
    31,645.51/43,655.94 = 22,572.88/x
  3. Step 3: Cross multiply
    31,645.51x = 43,655.94 × 22,572.88
  4. Step 4: Simplify right side
    31,645.51x = 985,440,122.28
  5. Step 5: Solve for x
    x = 985,440,122.28/31,645.51
  6. Step 6: Final answer
    x = 31,139.97

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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.