Home / 39,512.84-54,527.20-22,518.10

Finding the Fourth Proportional to 39,512.84, 54,527.20 and 22,518.10

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Solution

The fourth proportional to 39,512.84, 54,527.20 and 22,518.10 is: 31,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,512.84 : 54,527.20 = 22,518.10 : x
  2. Step 2: Convert to fraction form
    39,512.84/54,527.20 = 22,518.10/x
  3. Step 3: Cross multiply
    39,512.84x = 54,527.20 × 22,518.10
  4. Step 4: Simplify right side
    39,512.84x = 1,227,848,942.32
  5. Step 5: Solve for x
    x = 1,227,848,942.32/39,512.84
  6. Step 6: Final answer
    x = 31,074.68

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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.