Home / 34,771.17-47,983.36-18,855.21

Finding the Fourth Proportional to 34,771.17, 47,983.36 and 18,855.21

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Solution

The fourth proportional to 34,771.17, 47,983.36 and 18,855.21 is: 26,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,771.17 : 47,983.36 = 18,855.21 : x
  2. Step 2: Convert to fraction form
    34,771.17/47,983.36 = 18,855.21/x
  3. Step 3: Cross multiply
    34,771.17x = 47,983.36 × 18,855.21
  4. Step 4: Simplify right side
    34,771.17x = 904,736,329.31
  5. Step 5: Solve for x
    x = 904,736,329.31/34,771.17
  6. Step 6: Final answer
    x = 26,019.73

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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.