Home / 49,863.60-68,807.88-28,638.36

Finding the Fourth Proportional to 49,863.60, 68,807.88 and 28,638.36

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Solution

The fourth proportional to 49,863.60, 68,807.88 and 28,638.36 is: 39,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,863.60 : 68,807.88 = 28,638.36 : x
  2. Step 2: Convert to fraction form
    49,863.60/68,807.88 = 28,638.36/x
  3. Step 3: Cross multiply
    49,863.60x = 68,807.88 × 28,638.36
  4. Step 4: Simplify right side
    49,863.60x = 1,970,544,838.28
  5. Step 5: Solve for x
    x = 1,970,544,838.28/49,863.60
  6. Step 6: Final answer
    x = 39,518.70

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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.