Home / 55,504.46-83,289.49-20,468.72

Finding the Fourth Proportional to 55,504.46, 83,289.49 and 20,468.72

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Solution

The fourth proportional to 55,504.46, 83,289.49 and 20,468.72 is: 30,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,504.46 : 83,289.49 = 20,468.72 : x
  2. Step 2: Convert to fraction form
    55,504.46/83,289.49 = 20,468.72/x
  3. Step 3: Cross multiply
    55,504.46x = 83,289.49 × 20,468.72
  4. Step 4: Simplify right side
    55,504.46x = 1,704,829,249.75
  5. Step 5: Solve for x
    x = 1,704,829,249.75/55,504.46
  6. Step 6: Final answer
    x = 30,715.18

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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.