Home / 32,971.85-45,516.92-18,821.96

Finding the Fourth Proportional to 32,971.85, 45,516.92 and 18,821.96

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Solution

The fourth proportional to 32,971.85, 45,516.92 and 18,821.96 is: 25,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,971.85 : 45,516.92 = 18,821.96 : x
  2. Step 2: Convert to fraction form
    32,971.85/45,516.92 = 18,821.96/x
  3. Step 3: Cross multiply
    32,971.85x = 45,516.92 × 18,821.96
  4. Step 4: Simplify right side
    32,971.85x = 856,717,325.87
  5. Step 5: Solve for x
    x = 856,717,325.87/32,971.85
  6. Step 6: Final answer
    x = 25,983.30

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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.