Home / 66,868.92-100,303.50-16,949

Finding the Fourth Proportional to 66,868.92, 100,303.50 and 16,949

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Solution

The fourth proportional to 66,868.92, 100,303.50 and 16,949 is: 25,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,868.92 : 100,303.50 = 16,949 : x
  2. Step 2: Convert to fraction form
    66,868.92/100,303.50 = 16,949/x
  3. Step 3: Cross multiply
    66,868.92x = 100,303.50 × 16,949
  4. Step 4: Simplify right side
    66,868.92x = 1,700,044,021.50
  5. Step 5: Solve for x
    x = 1,700,044,021.50/66,868.92
  6. Step 6: Final answer
    x = 25,423.53

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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.