Home / 58,919.96-81,309.40-33,431.30

Finding the Fourth Proportional to 58,919.96, 81,309.40 and 33,431.30

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Solution

The fourth proportional to 58,919.96, 81,309.40 and 33,431.30 is: 46,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,919.96 : 81,309.40 = 33,431.30 : x
  2. Step 2: Convert to fraction form
    58,919.96/81,309.40 = 33,431.30/x
  3. Step 3: Cross multiply
    58,919.96x = 81,309.40 × 33,431.30
  4. Step 4: Simplify right side
    58,919.96x = 2,718,278,944.22
  5. Step 5: Solve for x
    x = 2,718,278,944.22/58,919.96
  6. Step 6: Final answer
    x = 46,135.11

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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.