Home / 51,211.96-76,817.85-20,025.34

Finding the Fourth Proportional to 51,211.96, 76,817.85 and 20,025.34

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Solution

The fourth proportional to 51,211.96, 76,817.85 and 20,025.34 is: 30,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.96 : 76,817.85 = 20,025.34 : x
  2. Step 2: Convert to fraction form
    51,211.96/76,817.85 = 20,025.34/x
  3. Step 3: Cross multiply
    51,211.96x = 76,817.85 × 20,025.34
  4. Step 4: Simplify right side
    51,211.96x = 1,538,303,564.32
  5. Step 5: Solve for x
    x = 1,538,303,564.32/51,211.96
  6. Step 6: Final answer
    x = 30,037.97

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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.