Home / 40,231.20-60,346.80-25,359.60

Finding the Fourth Proportional to 40,231.20, 60,346.80 and 25,359.60

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Solution

The fourth proportional to 40,231.20, 60,346.80 and 25,359.60 is: 38,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,231.20 : 60,346.80 = 25,359.60 : x
  2. Step 2: Convert to fraction form
    40,231.20/60,346.80 = 25,359.60/x
  3. Step 3: Cross multiply
    40,231.20x = 60,346.80 × 25,359.60
  4. Step 4: Simplify right side
    40,231.20x = 1,530,370,709.28
  5. Step 5: Solve for x
    x = 1,530,370,709.28/40,231.20
  6. Step 6: Final answer
    x = 38,039.40

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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.