Home / 33,070.97-45,606.35-21,750

Finding the Fourth Proportional to 33,070.97, 45,606.35 and 21,750

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Solution

The fourth proportional to 33,070.97, 45,606.35 and 21,750 is: 29,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.97 : 45,606.35 = 21,750 : x
  2. Step 2: Convert to fraction form
    33,070.97/45,606.35 = 21,750/x
  3. Step 3: Cross multiply
    33,070.97x = 45,606.35 × 21,750
  4. Step 4: Simplify right side
    33,070.97x = 991,938,003.75
  5. Step 5: Solve for x
    x = 991,938,003.75/33,070.97
  6. Step 6: Final answer
    x = 29,994.23

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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.