Home / 68,311.40-94,276.98-40,040.84

Finding the Fourth Proportional to 68,311.40, 94,276.98 and 40,040.84

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Solution

The fourth proportional to 68,311.40, 94,276.98 and 40,040.84 is: 55,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,311.40 : 94,276.98 = 40,040.84 : x
  2. Step 2: Convert to fraction form
    68,311.40/94,276.98 = 40,040.84/x
  3. Step 3: Cross multiply
    68,311.40x = 94,276.98 × 40,040.84
  4. Step 4: Simplify right side
    68,311.40x = 3,774,929,471.86
  5. Step 5: Solve for x
    x = 3,774,929,471.86/68,311.40
  6. Step 6: Final answer
    x = 55,260.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.