Home / 53,634.55-80,449.21-19,907.13

Finding the Fourth Proportional to 53,634.55, 80,449.21 and 19,907.13

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Solution

The fourth proportional to 53,634.55, 80,449.21 and 19,907.13 is: 29,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,634.55 : 80,449.21 = 19,907.13 : x
  2. Step 2: Convert to fraction form
    53,634.55/80,449.21 = 19,907.13/x
  3. Step 3: Cross multiply
    53,634.55x = 80,449.21 × 19,907.13
  4. Step 4: Simplify right side
    53,634.55x = 1,601,513,208.44
  5. Step 5: Solve for x
    x = 1,601,513,208.44/53,634.55
  6. Step 6: Final answer
    x = 29,859.73

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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.