Home / 32,620.12-49,012.19-20,779.22

Finding the Fourth Proportional to 32,620.12, 49,012.19 and 20,779.22

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Solution

The fourth proportional to 32,620.12, 49,012.19 and 20,779.22 is: 31,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,620.12 : 49,012.19 = 20,779.22 : x
  2. Step 2: Convert to fraction form
    32,620.12/49,012.19 = 20,779.22/x
  3. Step 3: Cross multiply
    32,620.12x = 49,012.19 × 20,779.22
  4. Step 4: Simplify right side
    32,620.12x = 1,018,434,899.55
  5. Step 5: Solve for x
    x = 1,018,434,899.55/32,620.12
  6. Step 6: Final answer
    x = 31,221.07

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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.