Home / 34,645.49-47,810.77-18,729.94

Finding the Fourth Proportional to 34,645.49, 47,810.77 and 18,729.94

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Solution

The fourth proportional to 34,645.49, 47,810.77 and 18,729.94 is: 25,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,645.49 : 47,810.77 = 18,729.94 : x
  2. Step 2: Convert to fraction form
    34,645.49/47,810.77 = 18,729.94/x
  3. Step 3: Cross multiply
    34,645.49x = 47,810.77 × 18,729.94
  4. Step 4: Simplify right side
    34,645.49x = 895,492,687.10
  5. Step 5: Solve for x
    x = 895,492,687.10/34,645.49
  6. Step 6: Final answer
    x = 25,847.31

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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.