Home / 53,449.16-80,185.19-19,715.29

Finding the Fourth Proportional to 53,449.16, 80,185.19 and 19,715.29

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Solution

The fourth proportional to 53,449.16, 80,185.19 and 19,715.29 is: 29,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,449.16 : 80,185.19 = 19,715.29 : x
  2. Step 2: Convert to fraction form
    53,449.16/80,185.19 = 19,715.29/x
  3. Step 3: Cross multiply
    53,449.16x = 80,185.19 × 19,715.29
  4. Step 4: Simplify right side
    53,449.16x = 1,580,873,975.52
  5. Step 5: Solve for x
    x = 1,580,873,975.52/53,449.16
  6. Step 6: Final answer
    x = 29,577.16

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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.