Home / 49,640.17-68,504.94-30,531.18

Finding the Fourth Proportional to 49,640.17, 68,504.94 and 30,531.18

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Solution

The fourth proportional to 49,640.17, 68,504.94 and 30,531.18 is: 42,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,640.17 : 68,504.94 = 30,531.18 : x
  2. Step 2: Convert to fraction form
    49,640.17/68,504.94 = 30,531.18/x
  3. Step 3: Cross multiply
    49,640.17x = 68,504.94 × 30,531.18
  4. Step 4: Simplify right side
    49,640.17x = 2,091,536,525.58
  5. Step 5: Solve for x
    x = 2,091,536,525.58/49,640.17
  6. Step 6: Final answer
    x = 42,133.95

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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.