Home / 30,678.90-46,031.82-14,896.05

Finding the Fourth Proportional to 30,678.90, 46,031.82 and 14,896.05

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Solution

The fourth proportional to 30,678.90, 46,031.82 and 14,896.05 is: 22,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,678.90 : 46,031.82 = 14,896.05 : x
  2. Step 2: Convert to fraction form
    30,678.90/46,031.82 = 14,896.05/x
  3. Step 3: Cross multiply
    30,678.90x = 46,031.82 × 14,896.05
  4. Step 4: Simplify right side
    30,678.90x = 685,692,175.55
  5. Step 5: Solve for x
    x = 685,692,175.55/30,678.90
  6. Step 6: Final answer
    x = 22,350.61

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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.