Home / 30,288.56-41,791.87-18,349.59

Finding the Fourth Proportional to 30,288.56, 41,791.87 and 18,349.59

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Solution

The fourth proportional to 30,288.56, 41,791.87 and 18,349.59 is: 25,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.56 : 41,791.87 = 18,349.59 : x
  2. Step 2: Convert to fraction form
    30,288.56/41,791.87 = 18,349.59/x
  3. Step 3: Cross multiply
    30,288.56x = 41,791.87 × 18,349.59
  4. Step 4: Simplify right side
    30,288.56x = 766,863,679.83
  5. Step 5: Solve for x
    x = 766,863,679.83/30,288.56
  6. Step 6: Final answer
    x = 25,318.59

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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.