Home / 30,972.70-46,453.37-14,101.71

Finding the Fourth Proportional to 30,972.70, 46,453.37 and 14,101.71

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Solution

The fourth proportional to 30,972.70, 46,453.37 and 14,101.71 is: 21,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,972.70 : 46,453.37 = 14,101.71 : x
  2. Step 2: Convert to fraction form
    30,972.70/46,453.37 = 14,101.71/x
  3. Step 3: Cross multiply
    30,972.70x = 46,453.37 × 14,101.71
  4. Step 4: Simplify right side
    30,972.70x = 655,071,968.85
  5. Step 5: Solve for x
    x = 655,071,968.85/30,972.70
  6. Step 6: Final answer
    x = 21,149.98

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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.