Home / 62,674.28-94,011.74-21,121.64

Finding the Fourth Proportional to 62,674.28, 94,011.74 and 21,121.64

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Solution

The fourth proportional to 62,674.28, 94,011.74 and 21,121.64 is: 31,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,674.28 : 94,011.74 = 21,121.64 : x
  2. Step 2: Convert to fraction form
    62,674.28/94,011.74 = 21,121.64/x
  3. Step 3: Cross multiply
    62,674.28x = 94,011.74 × 21,121.64
  4. Step 4: Simplify right side
    62,674.28x = 1,985,682,128.05
  5. Step 5: Solve for x
    x = 1,985,682,128.05/62,674.28
  6. Step 6: Final answer
    x = 31,682.57

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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.