Home / 49,719.71-68,597.75-28,205.91

Finding the Fourth Proportional to 49,719.71, 68,597.75 and 28,205.91

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Solution

The fourth proportional to 49,719.71, 68,597.75 and 28,205.91 is: 38,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,719.71 : 68,597.75 = 28,205.91 : x
  2. Step 2: Convert to fraction form
    49,719.71/68,597.75 = 28,205.91/x
  3. Step 3: Cross multiply
    49,719.71x = 68,597.75 × 28,205.91
  4. Step 4: Simplify right side
    49,719.71x = 1,934,861,962.70
  5. Step 5: Solve for x
    x = 1,934,861,962.70/49,719.71
  6. Step 6: Final answer
    x = 38,915.39

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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.