Home / 39,428.34-54,410.63-22,432.54

Finding the Fourth Proportional to 39,428.34, 54,410.63 and 22,432.54

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Solution

The fourth proportional to 39,428.34, 54,410.63 and 22,432.54 is: 30,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428.34 : 54,410.63 = 22,432.54 : x
  2. Step 2: Convert to fraction form
    39,428.34/54,410.63 = 22,432.54/x
  3. Step 3: Cross multiply
    39,428.34x = 54,410.63 × 22,432.54
  4. Step 4: Simplify right side
    39,428.34x = 1,220,568,633.90
  5. Step 5: Solve for x
    x = 1,220,568,633.90/39,428.34
  6. Step 6: Final answer
    x = 30,956.63

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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.