Home / 66,466.44-91,677.87-39,588.12

Finding the Fourth Proportional to 66,466.44, 91,677.87 and 39,588.12

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Solution

The fourth proportional to 66,466.44, 91,677.87 and 39,588.12 is: 54,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466.44 : 91,677.87 = 39,588.12 : x
  2. Step 2: Convert to fraction form
    66,466.44/91,677.87 = 39,588.12/x
  3. Step 3: Cross multiply
    66,466.44x = 91,677.87 × 39,588.12
  4. Step 4: Simplify right side
    66,466.44x = 3,629,354,518.90
  5. Step 5: Solve for x
    x = 3,629,354,518.90/66,466.44
  6. Step 6: Final answer
    x = 54,604.32

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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.