Home / 29,821.21-41,150.79-17,071.45

Finding the Fourth Proportional to 29,821.21, 41,150.79 and 17,071.45

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Solution

The fourth proportional to 29,821.21, 41,150.79 and 17,071.45 is: 23,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.21 : 41,150.79 = 17,071.45 : x
  2. Step 2: Convert to fraction form
    29,821.21/41,150.79 = 17,071.45/x
  3. Step 3: Cross multiply
    29,821.21x = 41,150.79 × 17,071.45
  4. Step 4: Simplify right side
    29,821.21x = 702,503,551.07
  5. Step 5: Solve for x
    x = 702,503,551.07/29,821.21
  6. Step 6: Final answer
    x = 23,557.18

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1.5x scale

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.