Home / 30,791.84-46,261.74-19,720.04

Finding the Fourth Proportional to 30,791.84, 46,261.74 and 19,720.04

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Solution

The fourth proportional to 30,791.84, 46,261.74 and 19,720.04 is: 29,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,791.84 : 46,261.74 = 19,720.04 : x
  2. Step 2: Convert to fraction form
    30,791.84/46,261.74 = 19,720.04/x
  3. Step 3: Cross multiply
    30,791.84x = 46,261.74 × 19,720.04
  4. Step 4: Simplify right side
    30,791.84x = 912,283,363.27
  5. Step 5: Solve for x
    x = 912,283,363.27/30,791.84
  6. Step 6: Final answer
    x = 29,627.44

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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.