Home / 32,961.60-45,479.52-18,812.16

Finding the Fourth Proportional to 32,961.60, 45,479.52 and 18,812.16

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Solution

The fourth proportional to 32,961.60, 45,479.52 and 18,812.16 is: 25,956.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,961.60 : 45,479.52 = 18,812.16 : x
  2. Step 2: Convert to fraction form
    32,961.60/45,479.52 = 18,812.16/x
  3. Step 3: Cross multiply
    32,961.60x = 45,479.52 × 18,812.16
  4. Step 4: Simplify right side
    32,961.60x = 855,568,006.96
  5. Step 5: Solve for x
    x = 855,568,006.96/32,961.60
  6. Step 6: Final answer
    x = 25,956.51

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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.