Home / 32,646.24-45,036-20,049.12

Finding the Fourth Proportional to 32,646.24, 45,036 and 20,049.12

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Solution

The fourth proportional to 32,646.24, 45,036 and 20,049.12 is: 27,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,646.24 : 45,036 = 20,049.12 : x
  2. Step 2: Convert to fraction form
    32,646.24/45,036 = 20,049.12/x
  3. Step 3: Cross multiply
    32,646.24x = 45,036 × 20,049.12
  4. Step 4: Simplify right side
    32,646.24x = 902,932,168.32
  5. Step 5: Solve for x
    x = 902,932,168.32/32,646.24
  6. Step 6: Final answer
    x = 27,658.08

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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.