Home / 39,683.52-54,668.12-34,000.16

Finding the Fourth Proportional to 39,683.52, 54,668.12 and 34,000.16

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Solution

The fourth proportional to 39,683.52, 54,668.12 and 34,000.16 is: 46,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,683.52 : 54,668.12 = 34,000.16 : x
  2. Step 2: Convert to fraction form
    39,683.52/54,668.12 = 34,000.16/x
  3. Step 3: Cross multiply
    39,683.52x = 54,668.12 × 34,000.16
  4. Step 4: Simplify right side
    39,683.52x = 1,858,724,383.56
  5. Step 5: Solve for x
    x = 1,858,724,383.56/39,683.52
  6. Step 6: Final answer
    x = 46,838.70

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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.