Home / 30,701.94-46,047.76-8,517.56

Finding the Fourth Proportional to 30,701.94, 46,047.76 and 8,517.56

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Solution

The fourth proportional to 30,701.94, 46,047.76 and 8,517.56 is: 12,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.94 : 46,047.76 = 8,517.56 : x
  2. Step 2: Convert to fraction form
    30,701.94/46,047.76 = 8,517.56/x
  3. Step 3: Cross multiply
    30,701.94x = 46,047.76 × 8,517.56
  4. Step 4: Simplify right side
    30,701.94x = 392,214,307.13
  5. Step 5: Solve for x
    x = 392,214,307.13/30,701.94
  6. Step 6: Final answer
    x = 12,774.90

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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.