Home / 40,575.82-60,863.74-19,781.50

Finding the Fourth Proportional to 40,575.82, 60,863.74 and 19,781.50

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Solution

The fourth proportional to 40,575.82, 60,863.74 and 19,781.50 is: 29,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,575.82 : 60,863.74 = 19,781.50 : x
  2. Step 2: Convert to fraction form
    40,575.82/60,863.74 = 19,781.50/x
  3. Step 3: Cross multiply
    40,575.82x = 60,863.74 × 19,781.50
  4. Step 4: Simplify right side
    40,575.82x = 1,203,976,072.81
  5. Step 5: Solve for x
    x = 1,203,976,072.81/40,575.82
  6. Step 6: Final answer
    x = 29,672.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.