Home / 66,045.41-91,142.60-35,830.73

Finding the Fourth Proportional to 66,045.41, 91,142.60 and 35,830.73

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Solution

The fourth proportional to 66,045.41, 91,142.60 and 35,830.73 is: 49,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,045.41 : 91,142.60 = 35,830.73 : x
  2. Step 2: Convert to fraction form
    66,045.41/91,142.60 = 35,830.73/x
  3. Step 3: Cross multiply
    66,045.41x = 91,142.60 × 35,830.73
  4. Step 4: Simplify right side
    66,045.41x = 3,265,705,257.23
  5. Step 5: Solve for x
    x = 3,265,705,257.23/66,045.41
  6. Step 6: Final answer
    x = 49,446.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.