Home / 49,153.75-67,812.92-30,258.07

Finding the Fourth Proportional to 49,153.75, 67,812.92 and 30,258.07

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Solution

The fourth proportional to 49,153.75, 67,812.92 and 30,258.07 is: 41,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,153.75 : 67,812.92 = 30,258.07 : x
  2. Step 2: Convert to fraction form
    49,153.75/67,812.92 = 30,258.07/x
  3. Step 3: Cross multiply
    49,153.75x = 67,812.92 × 30,258.07
  4. Step 4: Simplify right side
    49,153.75x = 2,051,888,080.26
  5. Step 5: Solve for x
    x = 2,051,888,080.26/49,153.75
  6. Step 6: Final answer
    x = 41,744.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.