Home / 40,539.72-60,808.86-12,837

Finding the Fourth Proportional to 40,539.72, 60,808.86 and 12,837

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Solution

The fourth proportional to 40,539.72, 60,808.86 and 12,837 is: 19,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539.72 : 60,808.86 = 12,837 : x
  2. Step 2: Convert to fraction form
    40,539.72/60,808.86 = 12,837/x
  3. Step 3: Cross multiply
    40,539.72x = 60,808.86 × 12,837
  4. Step 4: Simplify right side
    40,539.72x = 780,603,335.82
  5. Step 5: Solve for x
    x = 780,603,335.82/40,539.72
  6. Step 6: Final answer
    x = 19,255.27

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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.