Home / 53,674.02-80,479.35-20,396.43

Finding the Fourth Proportional to 53,674.02, 80,479.35 and 20,396.43

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Solution

The fourth proportional to 53,674.02, 80,479.35 and 20,396.43 is: 30,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,674.02 : 80,479.35 = 20,396.43 : x
  2. Step 2: Convert to fraction form
    53,674.02/80,479.35 = 20,396.43/x
  3. Step 3: Cross multiply
    53,674.02x = 80,479.35 × 20,396.43
  4. Step 4: Simplify right side
    53,674.02x = 1,641,491,428.72
  5. Step 5: Solve for x
    x = 1,641,491,428.72/53,674.02
  6. Step 6: Final answer
    x = 30,582.61

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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.