Home / 53,951.04-80,925.60-20,662.08

Finding the Fourth Proportional to 53,951.04, 80,925.60 and 20,662.08

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Solution

The fourth proportional to 53,951.04, 80,925.60 and 20,662.08 is: 30,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,951.04 : 80,925.60 = 20,662.08 : x
  2. Step 2: Convert to fraction form
    53,951.04/80,925.60 = 20,662.08/x
  3. Step 3: Cross multiply
    53,951.04x = 80,925.60 × 20,662.08
  4. Step 4: Simplify right side
    53,951.04x = 1,672,091,221.25
  5. Step 5: Solve for x
    x = 1,672,091,221.25/53,951.04
  6. Step 6: Final answer
    x = 30,992.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.