Home / 43,230.55-64,852.53-18,270.70

Finding the Fourth Proportional to 43,230.55, 64,852.53 and 18,270.70

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Solution

The fourth proportional to 43,230.55, 64,852.53 and 18,270.70 is: 27,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,230.55 : 64,852.53 = 18,270.70 : x
  2. Step 2: Convert to fraction form
    43,230.55/64,852.53 = 18,270.70/x
  3. Step 3: Cross multiply
    43,230.55x = 64,852.53 × 18,270.70
  4. Step 4: Simplify right side
    43,230.55x = 1,184,901,028.52
  5. Step 5: Solve for x
    x = 1,184,901,028.52/43,230.55
  6. Step 6: Final answer
    x = 27,408.88

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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.