Home / 42,085.08-63,136.62-12,504.96

Finding the Fourth Proportional to 42,085.08, 63,136.62 and 12,504.96

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Solution

The fourth proportional to 42,085.08, 63,136.62 and 12,504.96 is: 18,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,085.08 : 63,136.62 = 12,504.96 : x
  2. Step 2: Convert to fraction form
    42,085.08/63,136.62 = 12,504.96/x
  3. Step 3: Cross multiply
    42,085.08x = 63,136.62 × 12,504.96
  4. Step 4: Simplify right side
    42,085.08x = 789,520,907.64
  5. Step 5: Solve for x
    x = 789,520,907.64/42,085.08
  6. Step 6: Final answer
    x = 18,760.11

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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.