Home / 30,160.95-41,616.04-18,224.94

Finding the Fourth Proportional to 30,160.95, 41,616.04 and 18,224.94

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Solution

The fourth proportional to 30,160.95, 41,616.04 and 18,224.94 is: 25,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.95 : 41,616.04 = 18,224.94 : x
  2. Step 2: Convert to fraction form
    30,160.95/41,616.04 = 18,224.94/x
  3. Step 3: Cross multiply
    30,160.95x = 41,616.04 × 18,224.94
  4. Step 4: Simplify right side
    30,160.95x = 758,449,832.04
  5. Step 5: Solve for x
    x = 758,449,832.04/30,160.95
  6. Step 6: Final answer
    x = 25,146.75

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1.5x scale

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.