Home / 36,250.90-54,376.35-12,558.40

Finding the Fourth Proportional to 36,250.90, 54,376.35 and 12,558.40

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Solution

The fourth proportional to 36,250.90, 54,376.35 and 12,558.40 is: 18,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,250.90 : 54,376.35 = 12,558.40 : x
  2. Step 2: Convert to fraction form
    36,250.90/54,376.35 = 12,558.40/x
  3. Step 3: Cross multiply
    36,250.90x = 54,376.35 × 12,558.40
  4. Step 4: Simplify right side
    36,250.90x = 682,879,953.84
  5. Step 5: Solve for x
    x = 682,879,953.84/36,250.90
  6. Step 6: Final answer
    x = 18,837.60

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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.