Home / 39,059.40-58,589.10-17,999.40

Finding the Fourth Proportional to 39,059.40, 58,589.10 and 17,999.40

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Solution

The fourth proportional to 39,059.40, 58,589.10 and 17,999.40 is: 26,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,059.40 : 58,589.10 = 17,999.40 : x
  2. Step 2: Convert to fraction form
    39,059.40/58,589.10 = 17,999.40/x
  3. Step 3: Cross multiply
    39,059.40x = 58,589.10 × 17,999.40
  4. Step 4: Simplify right side
    39,059.40x = 1,054,568,646.54
  5. Step 5: Solve for x
    x = 1,054,568,646.54/39,059.40
  6. Step 6: Final answer
    x = 26,999.10

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Similar ratio
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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.