Home / 66,830.18-100,247.70-22,458.38

Finding the Fourth Proportional to 66,830.18, 100,247.70 and 22,458.38

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Solution

The fourth proportional to 66,830.18, 100,247.70 and 22,458.38 is: 33,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,830.18 : 100,247.70 = 22,458.38 : x
  2. Step 2: Convert to fraction form
    66,830.18/100,247.70 = 22,458.38/x
  3. Step 3: Cross multiply
    66,830.18x = 100,247.70 × 22,458.38
  4. Step 4: Simplify right side
    66,830.18x = 2,251,400,940.73
  5. Step 5: Solve for x
    x = 2,251,400,940.73/66,830.18
  6. Step 6: Final answer
    x = 33,688.39

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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.