Home / 53,479.04-80,229.26-19,745.26

Finding the Fourth Proportional to 53,479.04, 80,229.26 and 19,745.26

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Solution

The fourth proportional to 53,479.04, 80,229.26 and 19,745.26 is: 29,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,479.04 : 80,229.26 = 19,745.26 : x
  2. Step 2: Convert to fraction form
    53,479.04/80,229.26 = 19,745.26/x
  3. Step 3: Cross multiply
    53,479.04x = 80,229.26 × 19,745.26
  4. Step 4: Simplify right side
    53,479.04x = 1,584,147,447.10
  5. Step 5: Solve for x
    x = 1,584,147,447.10/53,479.04
  6. Step 6: Final answer
    x = 29,621.84

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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.