Home / 60,344.12-90,494.58-20,890.64

Finding the Fourth Proportional to 60,344.12, 90,494.58 and 20,890.64

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Solution

The fourth proportional to 60,344.12, 90,494.58 and 20,890.64 is: 31,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,344.12 : 90,494.58 = 20,890.64 : x
  2. Step 2: Convert to fraction form
    60,344.12/90,494.58 = 20,890.64/x
  3. Step 3: Cross multiply
    60,344.12x = 90,494.58 × 20,890.64
  4. Step 4: Simplify right side
    60,344.12x = 1,890,489,692.73
  5. Step 5: Solve for x
    x = 1,890,489,692.73/60,344.12
  6. Step 6: Final answer
    x = 31,328.48

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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.