Home / 48,445.92-66,857.04-28,299.60

Finding the Fourth Proportional to 48,445.92, 66,857.04 and 28,299.60

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Solution

The fourth proportional to 48,445.92, 66,857.04 and 28,299.60 is: 39,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,445.92 : 66,857.04 = 28,299.60 : x
  2. Step 2: Convert to fraction form
    48,445.92/66,857.04 = 28,299.60/x
  3. Step 3: Cross multiply
    48,445.92x = 66,857.04 × 28,299.60
  4. Step 4: Simplify right side
    48,445.92x = 1,892,027,489.18
  5. Step 5: Solve for x
    x = 1,892,027,489.18/48,445.92
  6. Step 6: Final answer
    x = 39,054.42

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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.