Home / 32,093.91-48,120.36-15,420.78

Finding the Fourth Proportional to 32,093.91, 48,120.36 and 15,420.78

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Solution

The fourth proportional to 32,093.91, 48,120.36 and 15,420.78 is: 23,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,093.91 : 48,120.36 = 15,420.78 : x
  2. Step 2: Convert to fraction form
    32,093.91/48,120.36 = 15,420.78/x
  3. Step 3: Cross multiply
    32,093.91x = 48,120.36 × 15,420.78
  4. Step 4: Simplify right side
    32,093.91x = 742,053,485.08
  5. Step 5: Solve for x
    x = 742,053,485.08/32,093.91
  6. Step 6: Final answer
    x = 23,121.32

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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.