Home / 49,628.90-74,401.49-21,527.78

Finding the Fourth Proportional to 49,628.90, 74,401.49 and 21,527.78

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Solution

The fourth proportional to 49,628.90, 74,401.49 and 21,527.78 is: 32,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,628.90 : 74,401.49 = 21,527.78 : x
  2. Step 2: Convert to fraction form
    49,628.90/74,401.49 = 21,527.78/x
  3. Step 3: Cross multiply
    49,628.90x = 74,401.49 × 21,527.78
  4. Step 4: Simplify right side
    49,628.90x = 1,601,698,908.39
  5. Step 5: Solve for x
    x = 1,601,698,908.39/49,628.90
  6. Step 6: Final answer
    x = 32,273.51

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1.5x scale

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.