Home / 32,976.44-45,509.74-18,631.30

Finding the Fourth Proportional to 32,976.44, 45,509.74 and 18,631.30

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Solution

The fourth proportional to 32,976.44, 45,509.74 and 18,631.30 is: 25,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,976.44 : 45,509.74 = 18,631.30 : x
  2. Step 2: Convert to fraction form
    32,976.44/45,509.74 = 18,631.30/x
  3. Step 3: Cross multiply
    32,976.44x = 45,509.74 × 18,631.30
  4. Step 4: Simplify right side
    32,976.44x = 847,905,618.86
  5. Step 5: Solve for x
    x = 847,905,618.86/32,976.44
  6. Step 6: Final answer
    x = 25,712.47

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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.