Home / 32,708.43-49,078.85-12,986.55

Finding the Fourth Proportional to 32,708.43, 49,078.85 and 12,986.55

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Solution

The fourth proportional to 32,708.43, 49,078.85 and 12,986.55 is: 19,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,708.43 : 49,078.85 = 12,986.55 : x
  2. Step 2: Convert to fraction form
    32,708.43/49,078.85 = 12,986.55/x
  3. Step 3: Cross multiply
    32,708.43x = 49,078.85 × 12,986.55
  4. Step 4: Simplify right side
    32,708.43x = 637,364,874.53
  5. Step 5: Solve for x
    x = 637,364,874.53/32,708.43
  6. Step 6: Final answer
    x = 19,486.26

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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.