Home / 53,742.29-80,614.24-20,464.19

Finding the Fourth Proportional to 53,742.29, 80,614.24 and 20,464.19

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Solution

The fourth proportional to 53,742.29, 80,614.24 and 20,464.19 is: 30,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.29 : 80,614.24 = 20,464.19 : x
  2. Step 2: Convert to fraction form
    53,742.29/80,614.24 = 20,464.19/x
  3. Step 3: Cross multiply
    53,742.29x = 80,614.24 × 20,464.19
  4. Step 4: Simplify right side
    53,742.29x = 1,649,705,425.59
  5. Step 5: Solve for x
    x = 1,649,705,425.59/53,742.29
  6. Step 6: Final answer
    x = 30,696.60

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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.