Home / 40,577.37-55,933.79-39,790.05

Finding the Fourth Proportional to 40,577.37, 55,933.79 and 39,790.05

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Solution

The fourth proportional to 40,577.37, 55,933.79 and 39,790.05 is: 54,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,577.37 : 55,933.79 = 39,790.05 : x
  2. Step 2: Convert to fraction form
    40,577.37/55,933.79 = 39,790.05/x
  3. Step 3: Cross multiply
    40,577.37x = 55,933.79 × 39,790.05
  4. Step 4: Simplify right side
    40,577.37x = 2,225,608,101.84
  5. Step 5: Solve for x
    x = 2,225,608,101.84/40,577.37
  6. Step 6: Final answer
    x = 54,848.51

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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.