Home / 37,077.20-55,610.40-10,779.20

Finding the Fourth Proportional to 37,077.20, 55,610.40 and 10,779.20

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Solution

The fourth proportional to 37,077.20, 55,610.40 and 10,779.20 is: 16,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,077.20 : 55,610.40 = 10,779.20 : x
  2. Step 2: Convert to fraction form
    37,077.20/55,610.40 = 10,779.20/x
  3. Step 3: Cross multiply
    37,077.20x = 55,610.40 × 10,779.20
  4. Step 4: Simplify right side
    37,077.20x = 599,435,623.68
  5. Step 5: Solve for x
    x = 599,435,623.68/37,077.20
  6. Step 6: Final answer
    x = 16,167.23

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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.