Home / 39,910.62-59,902.86-20,203.02

Finding the Fourth Proportional to 39,910.62, 59,902.86 and 20,203.02

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Solution

The fourth proportional to 39,910.62, 59,902.86 and 20,203.02 is: 30,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.62 : 59,902.86 = 20,203.02 : x
  2. Step 2: Convert to fraction form
    39,910.62/59,902.86 = 20,203.02/x
  3. Step 3: Cross multiply
    39,910.62x = 59,902.86 × 20,203.02
  4. Step 4: Simplify right side
    39,910.62x = 1,210,218,678.64
  5. Step 5: Solve for x
    x = 1,210,218,678.64/39,910.62
  6. Step 6: Final answer
    x = 30,323.22

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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.