Home / 45,781.58-63,171.27-25,639.31

Finding the Fourth Proportional to 45,781.58, 63,171.27 and 25,639.31

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Solution

The fourth proportional to 45,781.58, 63,171.27 and 25,639.31 is: 35,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781.58 : 63,171.27 = 25,639.31 : x
  2. Step 2: Convert to fraction form
    45,781.58/63,171.27 = 25,639.31/x
  3. Step 3: Cross multiply
    45,781.58x = 63,171.27 × 25,639.31
  4. Step 4: Simplify right side
    45,781.58x = 1,619,667,458.77
  5. Step 5: Solve for x
    x = 1,619,667,458.77/45,781.58
  6. Step 6: Final answer
    x = 35,378.15

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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.