Home / 32,920.44-49,374.18-12,139.08

Finding the Fourth Proportional to 32,920.44, 49,374.18 and 12,139.08

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Solution

The fourth proportional to 32,920.44, 49,374.18 and 12,139.08 is: 18,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.44 : 49,374.18 = 12,139.08 : x
  2. Step 2: Convert to fraction form
    32,920.44/49,374.18 = 12,139.08/x
  3. Step 3: Cross multiply
    32,920.44x = 49,374.18 × 12,139.08
  4. Step 4: Simplify right side
    32,920.44x = 599,357,120.95
  5. Step 5: Solve for x
    x = 599,357,120.95/32,920.44
  6. Step 6: Final answer
    x = 18,206.23

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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.