Home / 40,243.20-60,364.80-18,057.30

Finding the Fourth Proportional to 40,243.20, 60,364.80 and 18,057.30

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Solution

The fourth proportional to 40,243.20, 60,364.80 and 18,057.30 is: 27,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.20 : 60,364.80 = 18,057.30 : x
  2. Step 2: Convert to fraction form
    40,243.20/60,364.80 = 18,057.30/x
  3. Step 3: Cross multiply
    40,243.20x = 60,364.80 × 18,057.30
  4. Step 4: Simplify right side
    40,243.20x = 1,090,025,303.04
  5. Step 5: Solve for x
    x = 1,090,025,303.04/40,243.20
  6. Step 6: Final answer
    x = 27,085.95

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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.