Home / 57,024.75-78,692.52-31,530.67

Finding the Fourth Proportional to 57,024.75, 78,692.52 and 31,530.67

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Solution

The fourth proportional to 57,024.75, 78,692.52 and 31,530.67 is: 43,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,024.75 : 78,692.52 = 31,530.67 : x
  2. Step 2: Convert to fraction form
    57,024.75/78,692.52 = 31,530.67/x
  3. Step 3: Cross multiply
    57,024.75x = 78,692.52 × 31,530.67
  4. Step 4: Simplify right side
    57,024.75x = 2,481,227,879.59
  5. Step 5: Solve for x
    x = 2,481,227,879.59/57,024.75
  6. Step 6: Final answer
    x = 43,511.42

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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.