Home / 32,976.64-45,507.20-18,072.32

Finding the Fourth Proportional to 32,976.64, 45,507.20 and 18,072.32

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Solution

The fourth proportional to 32,976.64, 45,507.20 and 18,072.32 is: 24,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,976.64 : 45,507.20 = 18,072.32 : x
  2. Step 2: Convert to fraction form
    32,976.64/45,507.20 = 18,072.32/x
  3. Step 3: Cross multiply
    32,976.64x = 45,507.20 × 18,072.32
  4. Step 4: Simplify right side
    32,976.64x = 822,420,680.70
  5. Step 5: Solve for x
    x = 822,420,680.70/32,976.64
  6. Step 6: Final answer
    x = 24,939.49

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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.