Home / 32,128.92-44,316.99-20,181.69

Finding the Fourth Proportional to 32,128.92, 44,316.99 and 20,181.69

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Solution

The fourth proportional to 32,128.92, 44,316.99 and 20,181.69 is: 27,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,128.92 : 44,316.99 = 20,181.69 : x
  2. Step 2: Convert to fraction form
    32,128.92/44,316.99 = 20,181.69/x
  3. Step 3: Cross multiply
    32,128.92x = 44,316.99 × 20,181.69
  4. Step 4: Simplify right side
    32,128.92x = 894,391,753.91
  5. Step 5: Solve for x
    x = 894,391,753.91/32,128.92
  6. Step 6: Final answer
    x = 27,837.59

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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.