Home / 53,727.72-80,591.76-18,667.68

Finding the Fourth Proportional to 53,727.72, 80,591.76 and 18,667.68

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Solution

The fourth proportional to 53,727.72, 80,591.76 and 18,667.68 is: 28,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,727.72 : 80,591.76 = 18,667.68 : x
  2. Step 2: Convert to fraction form
    53,727.72/80,591.76 = 18,667.68/x
  3. Step 3: Cross multiply
    53,727.72x = 80,591.76 × 18,667.68
  4. Step 4: Simplify right side
    53,727.72x = 1,504,461,186.32
  5. Step 5: Solve for x
    x = 1,504,461,186.32/53,727.72
  6. Step 6: Final answer
    x = 28,001.58

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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.