Home / 53,600.94-80,407.62-20,345.85

Finding the Fourth Proportional to 53,600.94, 80,407.62 and 20,345.85

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Solution

The fourth proportional to 53,600.94, 80,407.62 and 20,345.85 is: 30,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,600.94 : 80,407.62 = 20,345.85 : x
  2. Step 2: Convert to fraction form
    53,600.94/80,407.62 = 20,345.85/x
  3. Step 3: Cross multiply
    53,600.94x = 80,407.62 × 20,345.85
  4. Step 4: Simplify right side
    53,600.94x = 1,635,961,375.38
  5. Step 5: Solve for x
    x = 1,635,961,375.38/53,600.94
  6. Step 6: Final answer
    x = 30,521.13

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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.