Home / 53,406.54-80,158.23-28,467.54

Finding the Fourth Proportional to 53,406.54, 80,158.23 and 28,467.54

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Solution

The fourth proportional to 53,406.54, 80,158.23 and 28,467.54 is: 42,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,406.54 : 80,158.23 = 28,467.54 : x
  2. Step 2: Convert to fraction form
    53,406.54/80,158.23 = 28,467.54/x
  3. Step 3: Cross multiply
    53,406.54x = 80,158.23 × 28,467.54
  4. Step 4: Simplify right side
    53,406.54x = 2,281,907,618.85
  5. Step 5: Solve for x
    x = 2,281,907,618.85/53,406.54
  6. Step 6: Final answer
    x = 42,727.12

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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.