Home / 41,118.42-61,683.45-12,657.72

Finding the Fourth Proportional to 41,118.42, 61,683.45 and 12,657.72

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Solution

The fourth proportional to 41,118.42, 61,683.45 and 12,657.72 is: 18,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,118.42 : 61,683.45 = 12,657.72 : x
  2. Step 2: Convert to fraction form
    41,118.42/61,683.45 = 12,657.72/x
  3. Step 3: Cross multiply
    41,118.42x = 61,683.45 × 12,657.72
  4. Step 4: Simplify right side
    41,118.42x = 780,771,838.73
  5. Step 5: Solve for x
    x = 780,771,838.73/41,118.42
  6. Step 6: Final answer
    x = 18,988.37

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