Home / 37,040.99-55,555.67-12,080.90

Finding the Fourth Proportional to 37,040.99, 55,555.67 and 12,080.90

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Solution

The fourth proportional to 37,040.99, 55,555.67 and 12,080.90 is: 18,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,040.99 : 55,555.67 = 12,080.90 : x
  2. Step 2: Convert to fraction form
    37,040.99/55,555.67 = 12,080.90/x
  3. Step 3: Cross multiply
    37,040.99x = 55,555.67 × 12,080.90
  4. Step 4: Simplify right side
    37,040.99x = 671,162,155.52
  5. Step 5: Solve for x
    x = 671,162,155.52/37,040.99
  6. Step 6: Final answer
    x = 18,119.45

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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.