Home / 30,236.88-41,712.36-19,629.84

Finding the Fourth Proportional to 30,236.88, 41,712.36 and 19,629.84

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Solution

The fourth proportional to 30,236.88, 41,712.36 and 19,629.84 is: 27,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.88 : 41,712.36 = 19,629.84 : x
  2. Step 2: Convert to fraction form
    30,236.88/41,712.36 = 19,629.84/x
  3. Step 3: Cross multiply
    30,236.88x = 41,712.36 × 19,629.84
  4. Step 4: Simplify right side
    30,236.88x = 818,806,952.82
  5. Step 5: Solve for x
    x = 818,806,952.82/30,236.88
  6. Step 6: Final answer
    x = 27,079.74

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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.