Home / 33,172.50-45,816.96-21,975.06

Finding the Fourth Proportional to 33,172.50, 45,816.96 and 21,975.06

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Solution

The fourth proportional to 33,172.50, 45,816.96 and 21,975.06 is: 30,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.50 : 45,816.96 = 21,975.06 : x
  2. Step 2: Convert to fraction form
    33,172.50/45,816.96 = 21,975.06/x
  3. Step 3: Cross multiply
    33,172.50x = 45,816.96 × 21,975.06
  4. Step 4: Simplify right side
    33,172.50x = 1,006,830,445.02
  5. Step 5: Solve for x
    x = 1,006,830,445.02/33,172.50
  6. Step 6: Final answer
    x = 30,351.36

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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.