Home / 32,876.82-45,334.34-20,924.88

Finding the Fourth Proportional to 32,876.82, 45,334.34 and 20,924.88

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Solution

The fourth proportional to 32,876.82, 45,334.34 and 20,924.88 is: 28,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.82 : 45,334.34 = 20,924.88 : x
  2. Step 2: Convert to fraction form
    32,876.82/45,334.34 = 20,924.88/x
  3. Step 3: Cross multiply
    32,876.82x = 45,334.34 × 20,924.88
  4. Step 4: Simplify right side
    32,876.82x = 948,615,624.38
  5. Step 5: Solve for x
    x = 948,615,624.38/32,876.82
  6. Step 6: Final answer
    x = 28,853.63

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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.