Home / 47,595.12-65,660.32-28,464.36

Finding the Fourth Proportional to 47,595.12, 65,660.32 and 28,464.36

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Solution

The fourth proportional to 47,595.12, 65,660.32 and 28,464.36 is: 39,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,595.12 : 65,660.32 = 28,464.36 : x
  2. Step 2: Convert to fraction form
    47,595.12/65,660.32 = 28,464.36/x
  3. Step 3: Cross multiply
    47,595.12x = 65,660.32 × 28,464.36
  4. Step 4: Simplify right side
    47,595.12x = 1,868,978,986.20
  5. Step 5: Solve for x
    x = 1,868,978,986.20/47,595.12
  6. Step 6: Final answer
    x = 39,268.29

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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.