Home / 34,019.40-51,029.12-18,535.44

Finding the Fourth Proportional to 34,019.40, 51,029.12 and 18,535.44

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Solution

The fourth proportional to 34,019.40, 51,029.12 and 18,535.44 is: 27,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,019.40 : 51,029.12 = 18,535.44 : x
  2. Step 2: Convert to fraction form
    34,019.40/51,029.12 = 18,535.44/x
  3. Step 3: Cross multiply
    34,019.40x = 51,029.12 × 18,535.44
  4. Step 4: Simplify right side
    34,019.40x = 945,847,192.01
  5. Step 5: Solve for x
    x = 945,847,192.01/34,019.40
  6. Step 6: Final answer
    x = 27,803.17

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1.5x scale

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.