Home / 51,928.42-77,892.62-12,485.53

Finding the Fourth Proportional to 51,928.42, 77,892.62 and 12,485.53

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Solution

The fourth proportional to 51,928.42, 77,892.62 and 12,485.53 is: 18,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.42 : 77,892.62 = 12,485.53 : x
  2. Step 2: Convert to fraction form
    51,928.42/77,892.62 = 12,485.53/x
  3. Step 3: Cross multiply
    51,928.42x = 77,892.62 × 12,485.53
  4. Step 4: Simplify right side
    51,928.42x = 972,530,480.27
  5. Step 5: Solve for x
    x = 972,530,480.27/51,928.42
  6. Step 6: Final answer
    x = 18,728.29

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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.