Home / 40,236.80-60,355.20-38,530.40

Finding the Fourth Proportional to 40,236.80, 60,355.20 and 38,530.40

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Solution

The fourth proportional to 40,236.80, 60,355.20 and 38,530.40 is: 57,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,236.80 : 60,355.20 = 38,530.40 : x
  2. Step 2: Convert to fraction form
    40,236.80/60,355.20 = 38,530.40/x
  3. Step 3: Cross multiply
    40,236.80x = 60,355.20 × 38,530.40
  4. Step 4: Simplify right side
    40,236.80x = 2,325,509,998.08
  5. Step 5: Solve for x
    x = 2,325,509,998.08/40,236.80
  6. Step 6: Final answer
    x = 57,795.60

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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.