Home / 32,971.86-45,516.89-18,821.97

Finding the Fourth Proportional to 32,971.86, 45,516.89 and 18,821.97

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Solution

The fourth proportional to 32,971.86, 45,516.89 and 18,821.97 is: 25,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,971.86 : 45,516.89 = 18,821.97 : x
  2. Step 2: Convert to fraction form
    32,971.86/45,516.89 = 18,821.97/x
  3. Step 3: Cross multiply
    32,971.86x = 45,516.89 × 18,821.97
  4. Step 4: Simplify right side
    32,971.86x = 856,717,443.96
  5. Step 5: Solve for x
    x = 856,717,443.96/32,971.86
  6. Step 6: Final answer
    x = 25,983.29

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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.