Home / 59,928.26-82,665.36-38,720.03

Finding the Fourth Proportional to 59,928.26, 82,665.36 and 38,720.03

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Solution

The fourth proportional to 59,928.26, 82,665.36 and 38,720.03 is: 53,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,928.26 : 82,665.36 = 38,720.03 : x
  2. Step 2: Convert to fraction form
    59,928.26/82,665.36 = 38,720.03/x
  3. Step 3: Cross multiply
    59,928.26x = 82,665.36 × 38,720.03
  4. Step 4: Simplify right side
    59,928.26x = 3,200,804,805.83
  5. Step 5: Solve for x
    x = 3,200,804,805.83/59,928.26
  6. Step 6: Final answer
    x = 53,410.61

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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.