Home / 30,433.40-41,998.30-17,005.22

Finding the Fourth Proportional to 30,433.40, 41,998.30 and 17,005.22

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Solution

The fourth proportional to 30,433.40, 41,998.30 and 17,005.22 is: 23,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.40 : 41,998.30 = 17,005.22 : x
  2. Step 2: Convert to fraction form
    30,433.40/41,998.30 = 17,005.22/x
  3. Step 3: Cross multiply
    30,433.40x = 41,998.30 × 17,005.22
  4. Step 4: Simplify right side
    30,433.40x = 714,190,117.99
  5. Step 5: Solve for x
    x = 714,190,117.99/30,433.40
  6. Step 6: Final answer
    x = 23,467.32

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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.