Home / 30,003.88-41,407.83-17,261.20

Finding the Fourth Proportional to 30,003.88, 41,407.83 and 17,261.20

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Solution

The fourth proportional to 30,003.88, 41,407.83 and 17,261.20 is: 23,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.88 : 41,407.83 = 17,261.20 : x
  2. Step 2: Convert to fraction form
    30,003.88/41,407.83 = 17,261.20/x
  3. Step 3: Cross multiply
    30,003.88x = 41,407.83 × 17,261.20
  4. Step 4: Simplify right side
    30,003.88x = 714,748,835.20
  5. Step 5: Solve for x
    x = 714,748,835.20/30,003.88
  6. Step 6: Final answer
    x = 23,821.88

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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.