Home / 30,872.88-46,272.06-14,209.56

Finding the Fourth Proportional to 30,872.88, 46,272.06 and 14,209.56

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Solution

The fourth proportional to 30,872.88, 46,272.06 and 14,209.56 is: 21,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,872.88 : 46,272.06 = 14,209.56 : x
  2. Step 2: Convert to fraction form
    30,872.88/46,272.06 = 14,209.56/x
  3. Step 3: Cross multiply
    30,872.88x = 46,272.06 × 14,209.56
  4. Step 4: Simplify right side
    30,872.88x = 657,505,612.89
  5. Step 5: Solve for x
    x = 657,505,612.89/30,872.88
  6. Step 6: Final answer
    x = 21,297.19

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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.