Home / 39,911.50-59,877.42-11,832.58

Finding the Fourth Proportional to 39,911.50, 59,877.42 and 11,832.58

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Solution

The fourth proportional to 39,911.50, 59,877.42 and 11,832.58 is: 17,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.50 : 59,877.42 = 11,832.58 : x
  2. Step 2: Convert to fraction form
    39,911.50/59,877.42 = 11,832.58/x
  3. Step 3: Cross multiply
    39,911.50x = 59,877.42 × 11,832.58
  4. Step 4: Simplify right side
    39,911.50x = 708,504,362.34
  5. Step 5: Solve for x
    x = 708,504,362.34/39,911.50
  6. Step 6: Final answer
    x = 17,751.89

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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.