Home / 30,909.90-46,344.18-14,247.39

Finding the Fourth Proportional to 30,909.90, 46,344.18 and 14,247.39

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Solution

The fourth proportional to 30,909.90, 46,344.18 and 14,247.39 is: 21,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.90 : 46,344.18 = 14,247.39 : x
  2. Step 2: Convert to fraction form
    30,909.90/46,344.18 = 14,247.39/x
  3. Step 3: Cross multiply
    30,909.90x = 46,344.18 × 14,247.39
  4. Step 4: Simplify right side
    30,909.90x = 660,283,606.69
  5. Step 5: Solve for x
    x = 660,283,606.69/30,909.90
  6. Step 6: Final answer
    x = 21,361.56

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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.