Home / 53,890.44-80,803.92-20,612.94

Finding the Fourth Proportional to 53,890.44, 80,803.92 and 20,612.94

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Solution

The fourth proportional to 53,890.44, 80,803.92 and 20,612.94 is: 30,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.44 : 80,803.92 = 20,612.94 : x
  2. Step 2: Convert to fraction form
    53,890.44/80,803.92 = 20,612.94/x
  3. Step 3: Cross multiply
    53,890.44x = 80,803.92 × 20,612.94
  4. Step 4: Simplify right side
    53,890.44x = 1,665,606,354.72
  5. Step 5: Solve for x
    x = 1,665,606,354.72/53,890.44
  6. Step 6: Final answer
    x = 30,907.27

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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.