Home / 45,230.50-67,827.53-13,630.78

Finding the Fourth Proportional to 45,230.50, 67,827.53 and 13,630.78

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Solution

The fourth proportional to 45,230.50, 67,827.53 and 13,630.78 is: 20,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,230.50 : 67,827.53 = 13,630.78 : x
  2. Step 2: Convert to fraction form
    45,230.50/67,827.53 = 13,630.78/x
  3. Step 3: Cross multiply
    45,230.50x = 67,827.53 × 13,630.78
  4. Step 4: Simplify right side
    45,230.50x = 924,542,181.56
  5. Step 5: Solve for x
    x = 924,542,181.56/45,230.50
  6. Step 6: Final answer
    x = 20,440.68

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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.