Home / 30,320.71-41,841.53-16,891.27

Finding the Fourth Proportional to 30,320.71, 41,841.53 and 16,891.27

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Solution

The fourth proportional to 30,320.71, 41,841.53 and 16,891.27 is: 23,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.71 : 41,841.53 = 16,891.27 : x
  2. Step 2: Convert to fraction form
    30,320.71/41,841.53 = 16,891.27/x
  3. Step 3: Cross multiply
    30,320.71x = 41,841.53 × 16,891.27
  4. Step 4: Simplify right side
    30,320.71x = 706,756,495.99
  5. Step 5: Solve for x
    x = 706,756,495.99/30,320.71
  6. Step 6: Final answer
    x = 23,309.36

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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.