Home / 57,054.42-78,735.60-34,394.58

Finding the Fourth Proportional to 57,054.42, 78,735.60 and 34,394.58

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Solution

The fourth proportional to 57,054.42, 78,735.60 and 34,394.58 is: 47,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,054.42 : 78,735.60 = 34,394.58 : x
  2. Step 2: Convert to fraction form
    57,054.42/78,735.60 = 34,394.58/x
  3. Step 3: Cross multiply
    57,054.42x = 78,735.60 × 34,394.58
  4. Step 4: Simplify right side
    57,054.42x = 2,708,077,893.05
  5. Step 5: Solve for x
    x = 2,708,077,893.05/57,054.42
  6. Step 6: Final answer
    x = 47,464.82

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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.