Home / 37,211.90-55,822.69-12,254.50

Finding the Fourth Proportional to 37,211.90, 55,822.69 and 12,254.50

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Solution

The fourth proportional to 37,211.90, 55,822.69 and 12,254.50 is: 18,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.90 : 55,822.69 = 12,254.50 : x
  2. Step 2: Convert to fraction form
    37,211.90/55,822.69 = 12,254.50/x
  3. Step 3: Cross multiply
    37,211.90x = 55,822.69 × 12,254.50
  4. Step 4: Simplify right side
    37,211.90x = 684,079,154.61
  5. Step 5: Solve for x
    x = 684,079,154.61/37,211.90
  6. Step 6: Final answer
    x = 18,383.34

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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.