Home / 45,736.90-68,576.07-20,750.98

Finding the Fourth Proportional to 45,736.90, 68,576.07 and 20,750.98

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Solution

The fourth proportional to 45,736.90, 68,576.07 and 20,750.98 is: 31,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,736.90 : 68,576.07 = 20,750.98 : x
  2. Step 2: Convert to fraction form
    45,736.90/68,576.07 = 20,750.98/x
  3. Step 3: Cross multiply
    45,736.90x = 68,576.07 × 20,750.98
  4. Step 4: Simplify right side
    45,736.90x = 1,423,020,657.05
  5. Step 5: Solve for x
    x = 1,423,020,657.05/45,736.90
  6. Step 6: Final answer
    x = 31,113.19

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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.