Home / 35,643.08-49,189.94-19,728.54

Finding the Fourth Proportional to 35,643.08, 49,189.94 and 19,728.54

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Solution

The fourth proportional to 35,643.08, 49,189.94 and 19,728.54 is: 27,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.08 : 49,189.94 = 19,728.54 : x
  2. Step 2: Convert to fraction form
    35,643.08/49,189.94 = 19,728.54/x
  3. Step 3: Cross multiply
    35,643.08x = 49,189.94 × 19,728.54
  4. Step 4: Simplify right side
    35,643.08x = 970,445,600.24
  5. Step 5: Solve for x
    x = 970,445,600.24/35,643.08
  6. Step 6: Final answer
    x = 27,226.76

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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.