Home / 30,379.74-45,224.00-28,948.38

Finding the Fourth Proportional to 30,379.74, 45,224.00 and 28,948.38

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Solution

The fourth proportional to 30,379.74, 45,224.00 and 28,948.38 is: 43,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.74 : 45,224.00 = 28,948.38 : x
  2. Step 2: Convert to fraction form
    30,379.74/45,224.00 = 28,948.38/x
  3. Step 3: Cross multiply
    30,379.74x = 45,224.00 × 28,948.38
  4. Step 4: Simplify right side
    30,379.74x = 1,309,161,392.38
  5. Step 5: Solve for x
    x = 1,309,161,392.38/30,379.74
  6. Step 6: Final answer
    x = 43,093.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.