Home / 30,035.82-41,451-17,290.92

Finding the Fourth Proportional to 30,035.82, 41,451 and 17,290.92

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Solution

The fourth proportional to 30,035.82, 41,451 and 17,290.92 is: 23,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.82 : 41,451 = 17,290.92 : x
  2. Step 2: Convert to fraction form
    30,035.82/41,451 = 17,290.92/x
  3. Step 3: Cross multiply
    30,035.82x = 41,451 × 17,290.92
  4. Step 4: Simplify right side
    30,035.82x = 716,725,924.92
  5. Step 5: Solve for x
    x = 716,725,924.92/30,035.82
  6. Step 6: Final answer
    x = 23,862.37

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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.