Home / 46,485.50-69,729.12-13,205.70

Finding the Fourth Proportional to 46,485.50, 69,729.12 and 13,205.70

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Solution

The fourth proportional to 46,485.50, 69,729.12 and 13,205.70 is: 19,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,485.50 : 69,729.12 = 13,205.70 : x
  2. Step 2: Convert to fraction form
    46,485.50/69,729.12 = 13,205.70/x
  3. Step 3: Cross multiply
    46,485.50x = 69,729.12 × 13,205.70
  4. Step 4: Simplify right side
    46,485.50x = 920,821,839.98
  5. Step 5: Solve for x
    x = 920,821,839.98/46,485.50
  6. Step 6: Final answer
    x = 19,808.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.