Home / 30,121.62-41,567.93-16,693.11

Finding the Fourth Proportional to 30,121.62, 41,567.93 and 16,693.11

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Solution

The fourth proportional to 30,121.62, 41,567.93 and 16,693.11 is: 23,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.62 : 41,567.93 = 16,693.11 : x
  2. Step 2: Convert to fraction form
    30,121.62/41,567.93 = 16,693.11/x
  3. Step 3: Cross multiply
    30,121.62x = 41,567.93 × 16,693.11
  4. Step 4: Simplify right side
    30,121.62x = 693,898,217.90
  5. Step 5: Solve for x
    x = 693,898,217.90/30,121.62
  6. Step 6: Final answer
    x = 23,036.55

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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.