Home / 52,891.04-72,932.64-40,167.68

Finding the Fourth Proportional to 52,891.04, 72,932.64 and 40,167.68

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Solution

The fourth proportional to 52,891.04, 72,932.64 and 40,167.68 is: 55,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,891.04 : 72,932.64 = 40,167.68 : x
  2. Step 2: Convert to fraction form
    52,891.04/72,932.64 = 40,167.68/x
  3. Step 3: Cross multiply
    52,891.04x = 72,932.64 × 40,167.68
  4. Step 4: Simplify right side
    52,891.04x = 2,929,534,945.08
  5. Step 5: Solve for x
    x = 2,929,534,945.08/52,891.04
  6. Step 6: Final answer
    x = 55,388.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.