Home / 30,135.75-41,584.57-17,386.01

Finding the Fourth Proportional to 30,135.75, 41,584.57 and 17,386.01

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Solution

The fourth proportional to 30,135.75, 41,584.57 and 17,386.01 is: 23,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.75 : 41,584.57 = 17,386.01 : x
  2. Step 2: Convert to fraction form
    30,135.75/41,584.57 = 17,386.01/x
  3. Step 3: Cross multiply
    30,135.75x = 41,584.57 × 17,386.01
  4. Step 4: Simplify right side
    30,135.75x = 722,989,654.96
  5. Step 5: Solve for x
    x = 722,989,654.96/30,135.75
  6. Step 6: Final answer
    x = 23,991.10

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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.