Home / 53,652.58-80,478.88-20,372.66

Finding the Fourth Proportional to 53,652.58, 80,478.88 and 20,372.66

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Solution

The fourth proportional to 53,652.58, 80,478.88 and 20,372.66 is: 30,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,652.58 : 80,478.88 = 20,372.66 : x
  2. Step 2: Convert to fraction form
    53,652.58/80,478.88 = 20,372.66/x
  3. Step 3: Cross multiply
    53,652.58x = 80,478.88 × 20,372.66
  4. Step 4: Simplify right side
    53,652.58x = 1,639,568,859.42
  5. Step 5: Solve for x
    x = 1,639,568,859.42/53,652.58
  6. Step 6: Final answer
    x = 30,558.99

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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.