Home / 53,577.52-80,355.30-20,286.10

Finding the Fourth Proportional to 53,577.52, 80,355.30 and 20,286.10

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Solution

The fourth proportional to 53,577.52, 80,355.30 and 20,286.10 is: 30,424.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,577.52 : 80,355.30 = 20,286.10 : x
  2. Step 2: Convert to fraction form
    53,577.52/80,355.30 = 20,286.10/x
  3. Step 3: Cross multiply
    53,577.52x = 80,355.30 × 20,286.10
  4. Step 4: Simplify right side
    53,577.52x = 1,630,095,651.33
  5. Step 5: Solve for x
    x = 1,630,095,651.33/53,577.52
  6. Step 6: Final answer
    x = 30,424.99

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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.