Home / 39,391.29-59,086.83-11,689.29

Finding the Fourth Proportional to 39,391.29, 59,086.83 and 11,689.29

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Solution

The fourth proportional to 39,391.29, 59,086.83 and 11,689.29 is: 17,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.29 : 59,086.83 = 11,689.29 : x
  2. Step 2: Convert to fraction form
    39,391.29/59,086.83 = 11,689.29/x
  3. Step 3: Cross multiply
    39,391.29x = 59,086.83 × 11,689.29
  4. Step 4: Simplify right side
    39,391.29x = 690,683,091.05
  5. Step 5: Solve for x
    x = 690,683,091.05/39,391.29
  6. Step 6: Final answer
    x = 17,533.90

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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.