Home / 40,211.30-60,338.55-16,840.10

Finding the Fourth Proportional to 40,211.30, 60,338.55 and 16,840.10

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Solution

The fourth proportional to 40,211.30, 60,338.55 and 16,840.10 is: 25,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211.30 : 60,338.55 = 16,840.10 : x
  2. Step 2: Convert to fraction form
    40,211.30/60,338.55 = 16,840.10/x
  3. Step 3: Cross multiply
    40,211.30x = 60,338.55 × 16,840.10
  4. Step 4: Simplify right side
    40,211.30x = 1,016,107,215.86
  5. Step 5: Solve for x
    x = 1,016,107,215.86/40,211.30
  6. Step 6: Final answer
    x = 25,269.20

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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.