Home / 53,843.04-80,776.85-20,562.39

Finding the Fourth Proportional to 53,843.04, 80,776.85 and 20,562.39

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Solution

The fourth proportional to 53,843.04, 80,776.85 and 20,562.39 is: 30,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,843.04 : 80,776.85 = 20,562.39 : x
  2. Step 2: Convert to fraction form
    53,843.04/80,776.85 = 20,562.39/x
  3. Step 3: Cross multiply
    53,843.04x = 80,776.85 × 20,562.39
  4. Step 4: Simplify right side
    53,843.04x = 1,660,964,989.86
  5. Step 5: Solve for x
    x = 1,660,964,989.86/53,843.04
  6. Step 6: Final answer
    x = 30,848.28

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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.