Home / 53,380.96-73,660.64-29,503.80

Finding the Fourth Proportional to 53,380.96, 73,660.64 and 29,503.80

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Solution

The fourth proportional to 53,380.96, 73,660.64 and 29,503.80 is: 40,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,380.96 : 73,660.64 = 29,503.80 : x
  2. Step 2: Convert to fraction form
    53,380.96/73,660.64 = 29,503.80/x
  3. Step 3: Cross multiply
    53,380.96x = 73,660.64 × 29,503.80
  4. Step 4: Simplify right side
    53,380.96x = 2,173,268,790.43
  5. Step 5: Solve for x
    x = 2,173,268,790.43/53,380.96
  6. Step 6: Final answer
    x = 40,712.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.