Home / 49,853.28-68,798.88-28,636.32

Finding the Fourth Proportional to 49,853.28, 68,798.88 and 28,636.32

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Solution

The fourth proportional to 49,853.28, 68,798.88 and 28,636.32 is: 39,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,853.28 : 68,798.88 = 28,636.32 : x
  2. Step 2: Convert to fraction form
    49,853.28/68,798.88 = 28,636.32/x
  3. Step 3: Cross multiply
    49,853.28x = 68,798.88 × 28,636.32
  4. Step 4: Simplify right side
    49,853.28x = 1,970,146,743.32
  5. Step 5: Solve for x
    x = 1,970,146,743.32/49,853.28
  6. Step 6: Final answer
    x = 39,518.90

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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.