Home / 39,843.56-59,705.08-28,739.06

Finding the Fourth Proportional to 39,843.56, 59,705.08 and 28,739.06

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Solution

The fourth proportional to 39,843.56, 59,705.08 and 28,739.06 is: 43,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,843.56 : 59,705.08 = 28,739.06 : x
  2. Step 2: Convert to fraction form
    39,843.56/59,705.08 = 28,739.06/x
  3. Step 3: Cross multiply
    39,843.56x = 59,705.08 × 28,739.06
  4. Step 4: Simplify right side
    39,843.56x = 1,715,867,876.42
  5. Step 5: Solve for x
    x = 1,715,867,876.42/39,843.56
  6. Step 6: Final answer
    x = 43,065.12

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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.