Home / 36,172.54-49,916.96-20,039.20

Finding the Fourth Proportional to 36,172.54, 49,916.96 and 20,039.20

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Solution

The fourth proportional to 36,172.54, 49,916.96 and 20,039.20 is: 27,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.54 : 49,916.96 = 20,039.20 : x
  2. Step 2: Convert to fraction form
    36,172.54/49,916.96 = 20,039.20/x
  3. Step 3: Cross multiply
    36,172.54x = 49,916.96 × 20,039.20
  4. Step 4: Simplify right side
    36,172.54x = 1,000,295,944.83
  5. Step 5: Solve for x
    x = 1,000,295,944.83/36,172.54
  6. Step 6: Final answer
    x = 27,653.46

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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.