Home / 32,115.36-44,322.48-20,187.84

Finding the Fourth Proportional to 32,115.36, 44,322.48 and 20,187.84

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Solution

The fourth proportional to 32,115.36, 44,322.48 and 20,187.84 is: 27,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,115.36 : 44,322.48 = 20,187.84 : x
  2. Step 2: Convert to fraction form
    32,115.36/44,322.48 = 20,187.84/x
  3. Step 3: Cross multiply
    32,115.36x = 44,322.48 × 20,187.84
  4. Step 4: Simplify right side
    32,115.36x = 894,775,134.64
  5. Step 5: Solve for x
    x = 894,775,134.64/32,115.36
  6. Step 6: Final answer
    x = 27,861.28

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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.