Home / 34,509.21-47,623.20-19,401.03

Finding the Fourth Proportional to 34,509.21, 47,623.20 and 19,401.03

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Solution

The fourth proportional to 34,509.21, 47,623.20 and 19,401.03 is: 26,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,509.21 : 47,623.20 = 19,401.03 : x
  2. Step 2: Convert to fraction form
    34,509.21/47,623.20 = 19,401.03/x
  3. Step 3: Cross multiply
    34,509.21x = 47,623.20 × 19,401.03
  4. Step 4: Simplify right side
    34,509.21x = 923,939,131.90
  5. Step 5: Solve for x
    x = 923,939,131.90/34,509.21
  6. Step 6: Final answer
    x = 26,773.70

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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.