Home / 30,310.26-41,829.45-16,881.51

Finding the Fourth Proportional to 30,310.26, 41,829.45 and 16,881.51

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Solution

The fourth proportional to 30,310.26, 41,829.45 and 16,881.51 is: 23,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.26 : 41,829.45 = 16,881.51 : x
  2. Step 2: Convert to fraction form
    30,310.26/41,829.45 = 16,881.51/x
  3. Step 3: Cross multiply
    30,310.26x = 41,829.45 × 16,881.51
  4. Step 4: Simplify right side
    30,310.26x = 706,144,278.47
  5. Step 5: Solve for x
    x = 706,144,278.47/30,310.26
  6. Step 6: Final answer
    x = 23,297.20

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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.