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Finding the Fourth Proportional to 44,980, 67,470 and 12,148

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Solution

The fourth proportional to 44,980, 67,470 and 12,148 is: 18,222

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,980 : 67,470 = 12,148 : x
  2. Step 2: Convert to fraction form
    44,980/67,470 = 12,148/x
  3. Step 3: Cross multiply
    44,980x = 67,470 × 12,148
  4. Step 4: Simplify right side
    44,980x = 819,625,560
  5. Step 5: Solve for x
    x = 819,625,560/44,980
  6. Step 6: Final answer
    x = 18,222

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.