Home / 49,629.84-74,402.88-21,528.74

Finding the Fourth Proportional to 49,629.84, 74,402.88 and 21,528.74

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Solution

The fourth proportional to 49,629.84, 74,402.88 and 21,528.74 is: 32,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,629.84 : 74,402.88 = 21,528.74 : x
  2. Step 2: Convert to fraction form
    49,629.84/74,402.88 = 21,528.74/x
  3. Step 3: Cross multiply
    49,629.84x = 74,402.88 × 21,528.74
  4. Step 4: Simplify right side
    49,629.84x = 1,601,800,258.77
  5. Step 5: Solve for x
    x = 1,601,800,258.77/49,629.84
  6. Step 6: Final answer
    x = 32,274.94

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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.