Home / 43,325.54-64,992.59-18,019.86

Finding the Fourth Proportional to 43,325.54, 64,992.59 and 18,019.86

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Solution

The fourth proportional to 43,325.54, 64,992.59 and 18,019.86 is: 27,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.54 : 64,992.59 = 18,019.86 : x
  2. Step 2: Convert to fraction form
    43,325.54/64,992.59 = 18,019.86/x
  3. Step 3: Cross multiply
    43,325.54x = 64,992.59 × 18,019.86
  4. Step 4: Simplify right side
    43,325.54x = 1,171,157,372.84
  5. Step 5: Solve for x
    x = 1,171,157,372.84/43,325.54
  6. Step 6: Final answer
    x = 27,031.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.