Home / 45,234.32-67,833.24-13,634.60

Finding the Fourth Proportional to 45,234.32, 67,833.24 and 13,634.60

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Solution

The fourth proportional to 45,234.32, 67,833.24 and 13,634.60 is: 20,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,234.32 : 67,833.24 = 13,634.60 : x
  2. Step 2: Convert to fraction form
    45,234.32/67,833.24 = 13,634.60/x
  3. Step 3: Cross multiply
    45,234.32x = 67,833.24 × 13,634.60
  4. Step 4: Simplify right side
    45,234.32x = 924,878,754.94
  5. Step 5: Solve for x
    x = 924,878,754.94/45,234.32
  6. Step 6: Final answer
    x = 20,446.40

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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.