Home / 53,379.20-80,001.60-27,091.20

Finding the Fourth Proportional to 53,379.20, 80,001.60 and 27,091.20

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Solution

The fourth proportional to 53,379.20, 80,001.60 and 27,091.20 is: 40,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,379.20 : 80,001.60 = 27,091.20 : x
  2. Step 2: Convert to fraction form
    53,379.20/80,001.60 = 27,091.20/x
  3. Step 3: Cross multiply
    53,379.20x = 80,001.60 × 27,091.20
  4. Step 4: Simplify right side
    53,379.20x = 2,167,339,345.92
  5. Step 5: Solve for x
    x = 2,167,339,345.92/53,379.20
  6. Step 6: Final answer
    x = 40,602.69

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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.