Home / 36,780.99-55,147.74-15,734.76

Finding the Fourth Proportional to 36,780.99, 55,147.74 and 15,734.76

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Solution

The fourth proportional to 36,780.99, 55,147.74 and 15,734.76 is: 23,591.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.99 : 55,147.74 = 15,734.76 : x
  2. Step 2: Convert to fraction form
    36,780.99/55,147.74 = 15,734.76/x
  3. Step 3: Cross multiply
    36,780.99x = 55,147.74 × 15,734.76
  4. Step 4: Simplify right side
    36,780.99x = 867,736,187.63
  5. Step 5: Solve for x
    x = 867,736,187.63/36,780.99
  6. Step 6: Final answer
    x = 23,591.98

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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.