Home / 51,370.89-77,056.14-13,930.87

Finding the Fourth Proportional to 51,370.89, 77,056.14 and 13,930.87

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Solution

The fourth proportional to 51,370.89, 77,056.14 and 13,930.87 is: 20,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.89 : 77,056.14 = 13,930.87 : x
  2. Step 2: Convert to fraction form
    51,370.89/77,056.14 = 13,930.87/x
  3. Step 3: Cross multiply
    51,370.89x = 77,056.14 × 13,930.87
  4. Step 4: Simplify right side
    51,370.89x = 1,073,458,928.64
  5. Step 5: Solve for x
    x = 1,073,458,928.64/51,370.89
  6. Step 6: Final answer
    x = 20,896.25

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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.