Home / 55,277.10-82,928.22-20,216.76

Finding the Fourth Proportional to 55,277.10, 82,928.22 and 20,216.76

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Solution

The fourth proportional to 55,277.10, 82,928.22 and 20,216.76 is: 30,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.10 : 82,928.22 = 20,216.76 : x
  2. Step 2: Convert to fraction form
    55,277.10/82,928.22 = 20,216.76/x
  3. Step 3: Cross multiply
    55,277.10x = 82,928.22 × 20,216.76
  4. Step 4: Simplify right side
    55,277.10x = 1,676,539,920.97
  5. Step 5: Solve for x
    x = 1,676,539,920.97/55,277.10
  6. Step 6: Final answer
    x = 30,329.74

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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.