Home / 35,327.54-48,730.40-20,977.64

Finding the Fourth Proportional to 35,327.54, 48,730.40 and 20,977.64

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Solution

The fourth proportional to 35,327.54, 48,730.40 and 20,977.64 is: 28,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,327.54 : 48,730.40 = 20,977.64 : x
  2. Step 2: Convert to fraction form
    35,327.54/48,730.40 = 20,977.64/x
  3. Step 3: Cross multiply
    35,327.54x = 48,730.40 × 20,977.64
  4. Step 4: Simplify right side
    35,327.54x = 1,022,248,788.26
  5. Step 5: Solve for x
    x = 1,022,248,788.26/35,327.54
  6. Step 6: Final answer
    x = 28,936.31

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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.