Home / 30,388.49-41,938.22-16,962.36

Finding the Fourth Proportional to 30,388.49, 41,938.22 and 16,962.36

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Solution

The fourth proportional to 30,388.49, 41,938.22 and 16,962.36 is: 23,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.49 : 41,938.22 = 16,962.36 : x
  2. Step 2: Convert to fraction form
    30,388.49/41,938.22 = 16,962.36/x
  3. Step 3: Cross multiply
    30,388.49x = 41,938.22 × 16,962.36
  4. Step 4: Simplify right side
    30,388.49x = 711,371,006.93
  5. Step 5: Solve for x
    x = 711,371,006.93/30,388.49
  6. Step 6: Final answer
    x = 23,409.23

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1.5x scale

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.