Home / 39,846.63-54,987.75-21,941.04

Finding the Fourth Proportional to 39,846.63, 54,987.75 and 21,941.04

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Solution

The fourth proportional to 39,846.63, 54,987.75 and 21,941.04 is: 30,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,846.63 : 54,987.75 = 21,941.04 : x
  2. Step 2: Convert to fraction form
    39,846.63/54,987.75 = 21,941.04/x
  3. Step 3: Cross multiply
    39,846.63x = 54,987.75 × 21,941.04
  4. Step 4: Simplify right side
    39,846.63x = 1,206,488,422.26
  5. Step 5: Solve for x
    x = 1,206,488,422.26/39,846.63
  6. Step 6: Final answer
    x = 30,278.31

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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.