Home / 45,231.93-62,379.21-28,237.75

Finding the Fourth Proportional to 45,231.93, 62,379.21 and 28,237.75

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Solution

The fourth proportional to 45,231.93, 62,379.21 and 28,237.75 is: 38,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231.93 : 62,379.21 = 28,237.75 : x
  2. Step 2: Convert to fraction form
    45,231.93/62,379.21 = 28,237.75/x
  3. Step 3: Cross multiply
    45,231.93x = 62,379.21 × 28,237.75
  4. Step 4: Simplify right side
    45,231.93x = 1,761,448,381.23
  5. Step 5: Solve for x
    x = 1,761,448,381.23/45,231.93
  6. Step 6: Final answer
    x = 38,942.59

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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.