Home / 67,342.49-100,999.71-19,946.45

Finding the Fourth Proportional to 67,342.49, 100,999.71 and 19,946.45

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Solution

The fourth proportional to 67,342.49, 100,999.71 and 19,946.45 is: 29,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,342.49 : 100,999.71 = 19,946.45 : x
  2. Step 2: Convert to fraction form
    67,342.49/100,999.71 = 19,946.45/x
  3. Step 3: Cross multiply
    67,342.49x = 100,999.71 × 19,946.45
  4. Step 4: Simplify right side
    67,342.49x = 2,014,585,918.03
  5. Step 5: Solve for x
    x = 2,014,585,918.03/67,342.49
  6. Step 6: Final answer
    x = 29,915.53

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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.