Home / 40,380.20-60,606.30-23,719.40

Finding the Fourth Proportional to 40,380.20, 60,606.30 and 23,719.40

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Solution

The fourth proportional to 40,380.20, 60,606.30 and 23,719.40 is: 35,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.20 : 60,606.30 = 23,719.40 : x
  2. Step 2: Convert to fraction form
    40,380.20/60,606.30 = 23,719.40/x
  3. Step 3: Cross multiply
    40,380.20x = 60,606.30 × 23,719.40
  4. Step 4: Simplify right side
    40,380.20x = 1,437,545,072.22
  5. Step 5: Solve for x
    x = 1,437,545,072.22/40,380.20
  6. Step 6: Final answer
    x = 35,600.25

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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.