Home / 35,561.87-49,076.79-20,454.51

Finding the Fourth Proportional to 35,561.87, 49,076.79 and 20,454.51

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Solution

The fourth proportional to 35,561.87, 49,076.79 and 20,454.51 is: 28,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561.87 : 49,076.79 = 20,454.51 : x
  2. Step 2: Convert to fraction form
    35,561.87/49,076.79 = 20,454.51/x
  3. Step 3: Cross multiply
    35,561.87x = 49,076.79 × 20,454.51
  4. Step 4: Simplify right side
    35,561.87x = 1,003,841,589.55
  5. Step 5: Solve for x
    x = 1,003,841,589.55/35,561.87
  6. Step 6: Final answer
    x = 28,228.04

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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.