Home / 45,371.20-67,927.20-40,705.60

Finding the Fourth Proportional to 45,371.20, 67,927.20 and 40,705.60

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Solution

The fourth proportional to 45,371.20, 67,927.20 and 40,705.60 is: 60,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,371.20 : 67,927.20 = 40,705.60 : x
  2. Step 2: Convert to fraction form
    45,371.20/67,927.20 = 40,705.60/x
  3. Step 3: Cross multiply
    45,371.20x = 67,927.20 × 40,705.60
  4. Step 4: Simplify right side
    45,371.20x = 2,765,017,432.32
  5. Step 5: Solve for x
    x = 2,765,017,432.32/45,371.20
  6. Step 6: Final answer
    x = 60,942.13

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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.