Home / 47,682.64-65,795.32-28,557.93

Finding the Fourth Proportional to 47,682.64, 65,795.32 and 28,557.93

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Solution

The fourth proportional to 47,682.64, 65,795.32 and 28,557.93 is: 39,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,682.64 : 65,795.32 = 28,557.93 : x
  2. Step 2: Convert to fraction form
    47,682.64/65,795.32 = 28,557.93/x
  3. Step 3: Cross multiply
    47,682.64x = 65,795.32 × 28,557.93
  4. Step 4: Simplify right side
    47,682.64x = 1,878,978,425.32
  5. Step 5: Solve for x
    x = 1,878,978,425.32/47,682.64
  6. Step 6: Final answer
    x = 39,405.92

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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.