Home / 55,340.54-83,043.76-20,282.66

Finding the Fourth Proportional to 55,340.54, 83,043.76 and 20,282.66

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Solution

The fourth proportional to 55,340.54, 83,043.76 and 20,282.66 is: 30,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,340.54 : 83,043.76 = 20,282.66 : x
  2. Step 2: Convert to fraction form
    55,340.54/83,043.76 = 20,282.66/x
  3. Step 3: Cross multiply
    55,340.54x = 83,043.76 × 20,282.66
  4. Step 4: Simplify right side
    55,340.54x = 1,684,348,349.20
  5. Step 5: Solve for x
    x = 1,684,348,349.20/55,340.54
  6. Step 6: Final answer
    x = 30,436.07

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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.