Home / 32,878.48-49,315.20-12,100

Finding the Fourth Proportional to 32,878.48, 49,315.20 and 12,100

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Solution

The fourth proportional to 32,878.48, 49,315.20 and 12,100 is: 18,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,878.48 : 49,315.20 = 12,100 : x
  2. Step 2: Convert to fraction form
    32,878.48/49,315.20 = 12,100/x
  3. Step 3: Cross multiply
    32,878.48x = 49,315.20 × 12,100
  4. Step 4: Simplify right side
    32,878.48x = 596,713,920
  5. Step 5: Solve for x
    x = 596,713,920/32,878.48
  6. Step 6: Final answer
    x = 18,149.07

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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.