Home / 53,205.23-79,758.83-18,120.48

Finding the Fourth Proportional to 53,205.23, 79,758.83 and 18,120.48

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Solution

The fourth proportional to 53,205.23, 79,758.83 and 18,120.48 is: 27,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,205.23 : 79,758.83 = 18,120.48 : x
  2. Step 2: Convert to fraction form
    53,205.23/79,758.83 = 18,120.48/x
  3. Step 3: Cross multiply
    53,205.23x = 79,758.83 × 18,120.48
  4. Step 4: Simplify right side
    53,205.23x = 1,445,268,193.24
  5. Step 5: Solve for x
    x = 1,445,268,193.24/53,205.23
  6. Step 6: Final answer
    x = 27,164.03

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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.