Home / 31,221.73-46,806.31-14,572.99

Finding the Fourth Proportional to 31,221.73, 46,806.31 and 14,572.99

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Solution

The fourth proportional to 31,221.73, 46,806.31 and 14,572.99 is: 21,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.73 : 46,806.31 = 14,572.99 : x
  2. Step 2: Convert to fraction form
    31,221.73/46,806.31 = 14,572.99/x
  3. Step 3: Cross multiply
    31,221.73x = 46,806.31 × 14,572.99
  4. Step 4: Simplify right side
    31,221.73x = 682,107,887.57
  5. Step 5: Solve for x
    x = 682,107,887.57/31,221.73
  6. Step 6: Final answer
    x = 21,847.22

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1.5x scale

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.