Home / 45,688.82-68,518.64-14,516.78

Finding the Fourth Proportional to 45,688.82, 68,518.64 and 14,516.78

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Solution

The fourth proportional to 45,688.82, 68,518.64 and 14,516.78 is: 21,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,688.82 : 68,518.64 = 14,516.78 : x
  2. Step 2: Convert to fraction form
    45,688.82/68,518.64 = 14,516.78/x
  3. Step 3: Cross multiply
    45,688.82x = 68,518.64 × 14,516.78
  4. Step 4: Simplify right side
    45,688.82x = 994,670,022.78
  5. Step 5: Solve for x
    x = 994,670,022.78/45,688.82
  6. Step 6: Final answer
    x = 21,770.53

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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.