Home / 31,220.82-46,822.68-14,564.34

Finding the Fourth Proportional to 31,220.82, 46,822.68 and 14,564.34

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Solution

The fourth proportional to 31,220.82, 46,822.68 and 14,564.34 is: 21,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.82 : 46,822.68 = 14,564.34 : x
  2. Step 2: Convert to fraction form
    31,220.82/46,822.68 = 14,564.34/x
  3. Step 3: Cross multiply
    31,220.82x = 46,822.68 × 14,564.34
  4. Step 4: Simplify right side
    31,220.82x = 681,941,431.23
  5. Step 5: Solve for x
    x = 681,941,431.23/31,220.82
  6. Step 6: Final answer
    x = 21,842.52

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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.