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Finding the Fourth Proportional to 57,697.33, 86,394.90 and 46,392.58

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Solution

The fourth proportional to 57,697.33, 86,394.90 and 46,392.58 is: 69,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,697.33 : 86,394.90 = 46,392.58 : x
  2. Step 2: Convert to fraction form
    57,697.33/86,394.90 = 46,392.58/x
  3. Step 3: Cross multiply
    57,697.33x = 86,394.90 × 46,392.58
  4. Step 4: Simplify right side
    57,697.33x = 4,008,082,309.84
  5. Step 5: Solve for x
    x = 4,008,082,309.84/57,697.33
  6. Step 6: Final answer
    x = 69,467.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.