Home / 31,726.64-43,782.96-17,580.38

Finding the Fourth Proportional to 31,726.64, 43,782.96 and 17,580.38

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Solution

The fourth proportional to 31,726.64, 43,782.96 and 17,580.38 is: 24,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.64 : 43,782.96 = 17,580.38 : x
  2. Step 2: Convert to fraction form
    31,726.64/43,782.96 = 17,580.38/x
  3. Step 3: Cross multiply
    31,726.64x = 43,782.96 × 17,580.38
  4. Step 4: Simplify right side
    31,726.64x = 769,721,074.32
  5. Step 5: Solve for x
    x = 769,721,074.32/31,726.64
  6. Step 6: Final answer
    x = 24,261.03

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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.