Home / 35,982.08-53,972.78-20,187.08

Finding the Fourth Proportional to 35,982.08, 53,972.78 and 20,187.08

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Solution

The fourth proportional to 35,982.08, 53,972.78 and 20,187.08 is: 30,280.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.08 : 53,972.78 = 20,187.08 : x
  2. Step 2: Convert to fraction form
    35,982.08/53,972.78 = 20,187.08/x
  3. Step 3: Cross multiply
    35,982.08x = 53,972.78 × 20,187.08
  4. Step 4: Simplify right side
    35,982.08x = 1,089,552,827.68
  5. Step 5: Solve for x
    x = 1,089,552,827.68/35,982.08
  6. Step 6: Final answer
    x = 30,280.43

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1.5x scale

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.