Home / 37,078.70-55,610.55-13,385.52

Finding the Fourth Proportional to 37,078.70, 55,610.55 and 13,385.52

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Solution

The fourth proportional to 37,078.70, 55,610.55 and 13,385.52 is: 20,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,078.70 : 55,610.55 = 13,385.52 : x
  2. Step 2: Convert to fraction form
    37,078.70/55,610.55 = 13,385.52/x
  3. Step 3: Cross multiply
    37,078.70x = 55,610.55 × 13,385.52
  4. Step 4: Simplify right side
    37,078.70x = 744,376,129.24
  5. Step 5: Solve for x
    x = 744,376,129.24/37,078.70
  6. Step 6: Final answer
    x = 20,075.58

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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.