Home / 53,089.82-79,621.97-15,639.77

Finding the Fourth Proportional to 53,089.82, 79,621.97 and 15,639.77

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Solution

The fourth proportional to 53,089.82, 79,621.97 and 15,639.77 is: 23,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,089.82 : 79,621.97 = 15,639.77 : x
  2. Step 2: Convert to fraction form
    53,089.82/79,621.97 = 15,639.77/x
  3. Step 3: Cross multiply
    53,089.82x = 79,621.97 × 15,639.77
  4. Step 4: Simplify right side
    53,089.82x = 1,245,268,821.44
  5. Step 5: Solve for x
    x = 1,245,268,821.44/53,089.82
  6. Step 6: Final answer
    x = 23,455.89

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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.