Home / 32,856.83-45,342.60-18,516.88

Finding the Fourth Proportional to 32,856.83, 45,342.60 and 18,516.88

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Solution

The fourth proportional to 32,856.83, 45,342.60 and 18,516.88 is: 25,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,856.83 : 45,342.60 = 18,516.88 : x
  2. Step 2: Convert to fraction form
    32,856.83/45,342.60 = 18,516.88/x
  3. Step 3: Cross multiply
    32,856.83x = 45,342.60 × 18,516.88
  4. Step 4: Simplify right side
    32,856.83x = 839,603,772.95
  5. Step 5: Solve for x
    x = 839,603,772.95/32,856.83
  6. Step 6: Final answer
    x = 25,553.40

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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.