Home / 36,222.78-49,986.78-20,307.18

Finding the Fourth Proportional to 36,222.78, 49,986.78 and 20,307.18

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Solution

The fourth proportional to 36,222.78, 49,986.78 and 20,307.18 is: 28,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.78 : 49,986.78 = 20,307.18 : x
  2. Step 2: Convert to fraction form
    36,222.78/49,986.78 = 20,307.18/x
  3. Step 3: Cross multiply
    36,222.78x = 49,986.78 × 20,307.18
  4. Step 4: Simplify right side
    36,222.78x = 1,015,090,539.08
  5. Step 5: Solve for x
    x = 1,015,090,539.08/36,222.78
  6. Step 6: Final answer
    x = 28,023.54

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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.