Home / 34,214.40-51,283.20-14,489.60

Finding the Fourth Proportional to 34,214.40, 51,283.20 and 14,489.60

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Solution

The fourth proportional to 34,214.40, 51,283.20 and 14,489.60 is: 21,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,214.40 : 51,283.20 = 14,489.60 : x
  2. Step 2: Convert to fraction form
    34,214.40/51,283.20 = 14,489.60/x
  3. Step 3: Cross multiply
    34,214.40x = 51,283.20 × 14,489.60
  4. Step 4: Simplify right side
    34,214.40x = 743,073,054.72
  5. Step 5: Solve for x
    x = 743,073,054.72/34,214.40
  6. Step 6: Final answer
    x = 21,718.14

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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.