Home / 30,740.71-46,092.59-20,850.01

Finding the Fourth Proportional to 30,740.71, 46,092.59 and 20,850.01

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Solution

The fourth proportional to 30,740.71, 46,092.59 and 20,850.01 is: 31,262.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,740.71 : 46,092.59 = 20,850.01 : x
  2. Step 2: Convert to fraction form
    30,740.71/46,092.59 = 20,850.01/x
  3. Step 3: Cross multiply
    30,740.71x = 46,092.59 × 20,850.01
  4. Step 4: Simplify right side
    30,740.71x = 961,030,962.43
  5. Step 5: Solve for x
    x = 961,030,962.43/30,740.71
  6. Step 6: Final answer
    x = 31,262.48

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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.