Home / 36,913.84-50,940.64-20,998.25

Finding the Fourth Proportional to 36,913.84, 50,940.64 and 20,998.25

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Solution

The fourth proportional to 36,913.84, 50,940.64 and 20,998.25 is: 28,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.84 : 50,940.64 = 20,998.25 : x
  2. Step 2: Convert to fraction form
    36,913.84/50,940.64 = 20,998.25/x
  3. Step 3: Cross multiply
    36,913.84x = 50,940.64 × 20,998.25
  4. Step 4: Simplify right side
    36,913.84x = 1,069,663,986.68
  5. Step 5: Solve for x
    x = 1,069,663,986.68/36,913.84
  6. Step 6: Final answer
    x = 28,977.32

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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.