Home / 30,372.23-41,918.29-18,433.26

Finding the Fourth Proportional to 30,372.23, 41,918.29 and 18,433.26

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Solution

The fourth proportional to 30,372.23, 41,918.29 and 18,433.26 is: 25,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.23 : 41,918.29 = 18,433.26 : x
  2. Step 2: Convert to fraction form
    30,372.23/41,918.29 = 18,433.26/x
  3. Step 3: Cross multiply
    30,372.23x = 41,918.29 × 18,433.26
  4. Step 4: Simplify right side
    30,372.23x = 772,690,692.24
  5. Step 5: Solve for x
    x = 772,690,692.24/30,372.23
  6. Step 6: Final answer
    x = 25,440.69

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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.