Home / 45,909.74-68,856.66-12,175.98

Finding the Fourth Proportional to 45,909.74, 68,856.66 and 12,175.98

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Solution

The fourth proportional to 45,909.74, 68,856.66 and 12,175.98 is: 18,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,909.74 : 68,856.66 = 12,175.98 : x
  2. Step 2: Convert to fraction form
    45,909.74/68,856.66 = 12,175.98/x
  3. Step 3: Cross multiply
    45,909.74x = 68,856.66 × 12,175.98
  4. Step 4: Simplify right side
    45,909.74x = 838,397,315.03
  5. Step 5: Solve for x
    x = 838,397,315.03/45,909.74
  6. Step 6: Final answer
    x = 18,261.86

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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.