Home / 55,724.81-83,584.26-18,279.95

Finding the Fourth Proportional to 55,724.81, 83,584.26 and 18,279.95

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Solution

The fourth proportional to 55,724.81, 83,584.26 and 18,279.95 is: 27,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,724.81 : 83,584.26 = 18,279.95 : x
  2. Step 2: Convert to fraction form
    55,724.81/83,584.26 = 18,279.95/x
  3. Step 3: Cross multiply
    55,724.81x = 83,584.26 × 18,279.95
  4. Step 4: Simplify right side
    55,724.81x = 1,527,915,675.67
  5. Step 5: Solve for x
    x = 1,527,915,675.67/55,724.81
  6. Step 6: Final answer
    x = 27,418.95

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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.