Home / 32,112.56-44,330.21-18,678.92

Finding the Fourth Proportional to 32,112.56, 44,330.21 and 18,678.92

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Solution

The fourth proportional to 32,112.56, 44,330.21 and 18,678.92 is: 25,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,112.56 : 44,330.21 = 18,678.92 : x
  2. Step 2: Convert to fraction form
    32,112.56/44,330.21 = 18,678.92/x
  3. Step 3: Cross multiply
    32,112.56x = 44,330.21 × 18,678.92
  4. Step 4: Simplify right side
    32,112.56x = 828,040,131.13
  5. Step 5: Solve for x
    x = 828,040,131.13/32,112.56
  6. Step 6: Final answer
    x = 25,785.56

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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.