Home / 45,084.44-67,602.18-13,490.12

Finding the Fourth Proportional to 45,084.44, 67,602.18 and 13,490.12

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Solution

The fourth proportional to 45,084.44, 67,602.18 and 13,490.12 is: 20,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,084.44 : 67,602.18 = 13,490.12 : x
  2. Step 2: Convert to fraction form
    45,084.44/67,602.18 = 13,490.12/x
  3. Step 3: Cross multiply
    45,084.44x = 67,602.18 × 13,490.12
  4. Step 4: Simplify right side
    45,084.44x = 911,961,520.46
  5. Step 5: Solve for x
    x = 911,961,520.46/45,084.44
  6. Step 6: Final answer
    x = 20,227.86

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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.