Home / 48,670.40-73,000.20-13,613.60

Finding the Fourth Proportional to 48,670.40, 73,000.20 and 13,613.60

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Solution

The fourth proportional to 48,670.40, 73,000.20 and 13,613.60 is: 20,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.40 : 73,000.20 = 13,613.60 : x
  2. Step 2: Convert to fraction form
    48,670.40/73,000.20 = 13,613.60/x
  3. Step 3: Cross multiply
    48,670.40x = 73,000.20 × 13,613.60
  4. Step 4: Simplify right side
    48,670.40x = 993,795,522.72
  5. Step 5: Solve for x
    x = 993,795,522.72/48,670.40
  6. Step 6: Final answer
    x = 20,418.89

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1.5x scale

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.