Home / 39,445.20-54,428.36-23,529.68

Finding the Fourth Proportional to 39,445.20, 54,428.36 and 23,529.68

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Solution

The fourth proportional to 39,445.20, 54,428.36 and 23,529.68 is: 32,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,445.20 : 54,428.36 = 23,529.68 : x
  2. Step 2: Convert to fraction form
    39,445.20/54,428.36 = 23,529.68/x
  3. Step 3: Cross multiply
    39,445.20x = 54,428.36 × 23,529.68
  4. Step 4: Simplify right side
    39,445.20x = 1,280,681,893.72
  5. Step 5: Solve for x
    x = 1,280,681,893.72/39,445.20
  6. Step 6: Final answer
    x = 32,467.37

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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.