Home / 53,857.20-80,665.52-39,032.08

Finding the Fourth Proportional to 53,857.20, 80,665.52 and 39,032.08

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Solution

The fourth proportional to 53,857.20, 80,665.52 and 39,032.08 is: 58,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,857.20 : 80,665.52 = 39,032.08 : x
  2. Step 2: Convert to fraction form
    53,857.20/80,665.52 = 39,032.08/x
  3. Step 3: Cross multiply
    53,857.20x = 80,665.52 × 39,032.08
  4. Step 4: Simplify right side
    53,857.20x = 3,148,543,029.88
  5. Step 5: Solve for x
    x = 3,148,543,029.88/53,857.20
  6. Step 6: Final answer
    x = 58,460.95

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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.