Home / 30,150-41,607.52-16,721.84

Finding the Fourth Proportional to 30,150, 41,607.52 and 16,721.84

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Solution

The fourth proportional to 30,150, 41,607.52 and 16,721.84 is: 23,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150 : 41,607.52 = 16,721.84 : x
  2. Step 2: Convert to fraction form
    30,150/41,607.52 = 16,721.84/x
  3. Step 3: Cross multiply
    30,150x = 41,607.52 × 16,721.84
  4. Step 4: Simplify right side
    30,150x = 695,754,292.24
  5. Step 5: Solve for x
    x = 695,754,292.24/30,150
  6. Step 6: Final answer
    x = 23,076.43

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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.