Home / 37,170.72-55,762.08-12,203.52

Finding the Fourth Proportional to 37,170.72, 55,762.08 and 12,203.52

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Solution

The fourth proportional to 37,170.72, 55,762.08 and 12,203.52 is: 18,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.72 : 55,762.08 = 12,203.52 : x
  2. Step 2: Convert to fraction form
    37,170.72/55,762.08 = 12,203.52/x
  3. Step 3: Cross multiply
    37,170.72x = 55,762.08 × 12,203.52
  4. Step 4: Simplify right side
    37,170.72x = 680,493,658.52
  5. Step 5: Solve for x
    x = 680,493,658.52/37,170.72
  6. Step 6: Final answer
    x = 18,307.25

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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.