Home / 53,238.80-79,844.56-15,790.12

Finding the Fourth Proportional to 53,238.80, 79,844.56 and 15,790.12

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Solution

The fourth proportional to 53,238.80, 79,844.56 and 15,790.12 is: 23,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238.80 : 79,844.56 = 15,790.12 : x
  2. Step 2: Convert to fraction form
    53,238.80/79,844.56 = 15,790.12/x
  3. Step 3: Cross multiply
    53,238.80x = 79,844.56 × 15,790.12
  4. Step 4: Simplify right side
    53,238.80x = 1,260,755,183.75
  5. Step 5: Solve for x
    x = 1,260,755,183.75/53,238.80
  6. Step 6: Final answer
    x = 23,681.13

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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.