Home / 30,849.74-46,293.11-13,319.54

Finding the Fourth Proportional to 30,849.74, 46,293.11 and 13,319.54

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Solution

The fourth proportional to 30,849.74, 46,293.11 and 13,319.54 is: 19,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,849.74 : 46,293.11 = 13,319.54 : x
  2. Step 2: Convert to fraction form
    30,849.74/46,293.11 = 13,319.54/x
  3. Step 3: Cross multiply
    30,849.74x = 46,293.11 × 13,319.54
  4. Step 4: Simplify right side
    30,849.74x = 616,603,079.40
  5. Step 5: Solve for x
    x = 616,603,079.40/30,849.74
  6. Step 6: Final answer
    x = 19,987.31

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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.