Home / 30,945.96-46,411.46-14,289.98

Finding the Fourth Proportional to 30,945.96, 46,411.46 and 14,289.98

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Solution

The fourth proportional to 30,945.96, 46,411.46 and 14,289.98 is: 21,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.96 : 46,411.46 = 14,289.98 : x
  2. Step 2: Convert to fraction form
    30,945.96/46,411.46 = 14,289.98/x
  3. Step 3: Cross multiply
    30,945.96x = 46,411.46 × 14,289.98
  4. Step 4: Simplify right side
    30,945.96x = 663,218,531.66
  5. Step 5: Solve for x
    x = 663,218,531.66/30,945.96
  6. Step 6: Final answer
    x = 21,431.51

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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.