Home / 31,776.21-43,851.98-17,436.65

Finding the Fourth Proportional to 31,776.21, 43,851.98 and 17,436.65

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Solution

The fourth proportional to 31,776.21, 43,851.98 and 17,436.65 is: 24,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776.21 : 43,851.98 = 17,436.65 : x
  2. Step 2: Convert to fraction form
    31,776.21/43,851.98 = 17,436.65/x
  3. Step 3: Cross multiply
    31,776.21x = 43,851.98 × 17,436.65
  4. Step 4: Simplify right side
    31,776.21x = 764,631,539.88
  5. Step 5: Solve for x
    x = 764,631,539.88/31,776.21
  6. Step 6: Final answer
    x = 24,063.02

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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.