Home / 45,188.55-67,769.87-17,480.07

Finding the Fourth Proportional to 45,188.55, 67,769.87 and 17,480.07

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Solution

The fourth proportional to 45,188.55, 67,769.87 and 17,480.07 is: 26,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.55 : 67,769.87 = 17,480.07 : x
  2. Step 2: Convert to fraction form
    45,188.55/67,769.87 = 17,480.07/x
  3. Step 3: Cross multiply
    45,188.55x = 67,769.87 × 17,480.07
  4. Step 4: Simplify right side
    45,188.55x = 1,184,621,984.09
  5. Step 5: Solve for x
    x = 1,184,621,984.09/45,188.55
  6. Step 6: Final answer
    x = 26,215.09

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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.