Home / 30,982.21-42,755.49-17,554.37

Finding the Fourth Proportional to 30,982.21, 42,755.49 and 17,554.37

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Solution

The fourth proportional to 30,982.21, 42,755.49 and 17,554.37 is: 24,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.21 : 42,755.49 = 17,554.37 : x
  2. Step 2: Convert to fraction form
    30,982.21/42,755.49 = 17,554.37/x
  3. Step 3: Cross multiply
    30,982.21x = 42,755.49 × 17,554.37
  4. Step 4: Simplify right side
    30,982.21x = 750,545,742.40
  5. Step 5: Solve for x
    x = 750,545,742.40/30,982.21
  6. Step 6: Final answer
    x = 24,225.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.