Home / 55,318.46-82,951.76-20,233.58

Finding the Fourth Proportional to 55,318.46, 82,951.76 and 20,233.58

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Solution

The fourth proportional to 55,318.46, 82,951.76 and 20,233.58 is: 30,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,318.46 : 82,951.76 = 20,233.58 : x
  2. Step 2: Convert to fraction form
    55,318.46/82,951.76 = 20,233.58/x
  3. Step 3: Cross multiply
    55,318.46x = 82,951.76 × 20,233.58
  4. Step 4: Simplify right side
    55,318.46x = 1,678,411,072.10
  5. Step 5: Solve for x
    x = 1,678,411,072.10/55,318.46
  6. Step 6: Final answer
    x = 30,340.89

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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.