Home / 32,879.04-45,375.84-20,132.16

Finding the Fourth Proportional to 32,879.04, 45,375.84 and 20,132.16

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Solution

The fourth proportional to 32,879.04, 45,375.84 and 20,132.16 is: 27,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,879.04 : 45,375.84 = 20,132.16 : x
  2. Step 2: Convert to fraction form
    32,879.04/45,375.84 = 20,132.16/x
  3. Step 3: Cross multiply
    32,879.04x = 45,375.84 × 20,132.16
  4. Step 4: Simplify right side
    32,879.04x = 913,513,671.01
  5. Step 5: Solve for x
    x = 913,513,671.01/32,879.04
  6. Step 6: Final answer
    x = 27,784.07

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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.