Home / 45,378.20-68,010.60-23,200.40

Finding the Fourth Proportional to 45,378.20, 68,010.60 and 23,200.40

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Solution

The fourth proportional to 45,378.20, 68,010.60 and 23,200.40 is: 34,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.20 : 68,010.60 = 23,200.40 : x
  2. Step 2: Convert to fraction form
    45,378.20/68,010.60 = 23,200.40/x
  3. Step 3: Cross multiply
    45,378.20x = 68,010.60 × 23,200.40
  4. Step 4: Simplify right side
    45,378.20x = 1,577,873,124.24
  5. Step 5: Solve for x
    x = 1,577,873,124.24/45,378.20
  6. Step 6: Final answer
    x = 34,771.61

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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.