Home / 34,819.41-48,075.75-21,408.69

Finding the Fourth Proportional to 34,819.41, 48,075.75 and 21,408.69

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Solution

The fourth proportional to 34,819.41, 48,075.75 and 21,408.69 is: 29,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,819.41 : 48,075.75 = 21,408.69 : x
  2. Step 2: Convert to fraction form
    34,819.41/48,075.75 = 21,408.69/x
  3. Step 3: Cross multiply
    34,819.41x = 48,075.75 × 21,408.69
  4. Step 4: Simplify right side
    34,819.41x = 1,029,238,828.27
  5. Step 5: Solve for x
    x = 1,029,238,828.27/34,819.41
  6. Step 6: Final answer
    x = 29,559.34

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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.