Home / 48,723.69-73,085.42-19,120.82

Finding the Fourth Proportional to 48,723.69, 73,085.42 and 19,120.82

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Solution

The fourth proportional to 48,723.69, 73,085.42 and 19,120.82 is: 28,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,723.69 : 73,085.42 = 19,120.82 : x
  2. Step 2: Convert to fraction form
    48,723.69/73,085.42 = 19,120.82/x
  3. Step 3: Cross multiply
    48,723.69x = 73,085.42 × 19,120.82
  4. Step 4: Simplify right side
    48,723.69x = 1,397,453,390.96
  5. Step 5: Solve for x
    x = 1,397,453,390.96/48,723.69
  6. Step 6: Final answer
    x = 28,681.19

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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.