Home / 32,680.96-45,104.40-18,342.32

Finding the Fourth Proportional to 32,680.96, 45,104.40 and 18,342.32

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Solution

The fourth proportional to 32,680.96, 45,104.40 and 18,342.32 is: 25,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,680.96 : 45,104.40 = 18,342.32 : x
  2. Step 2: Convert to fraction form
    32,680.96/45,104.40 = 18,342.32/x
  3. Step 3: Cross multiply
    32,680.96x = 45,104.40 × 18,342.32
  4. Step 4: Simplify right side
    32,680.96x = 827,319,338.21
  5. Step 5: Solve for x
    x = 827,319,338.21/32,680.96
  6. Step 6: Final answer
    x = 25,315.03

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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.