Home / 32,879.36-45,373.44-18,731.84

Finding the Fourth Proportional to 32,879.36, 45,373.44 and 18,731.84

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Solution

The fourth proportional to 32,879.36, 45,373.44 and 18,731.84 is: 25,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,879.36 : 45,373.44 = 18,731.84 : x
  2. Step 2: Convert to fraction form
    32,879.36/45,373.44 = 18,731.84/x
  3. Step 3: Cross multiply
    32,879.36x = 45,373.44 × 18,731.84
  4. Step 4: Simplify right side
    32,879.36x = 849,928,018.33
  5. Step 5: Solve for x
    x = 849,928,018.33/32,879.36
  6. Step 6: Final answer
    x = 25,849.90

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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.