Home / 30,949.22-42,710.13-16,802.14

Finding the Fourth Proportional to 30,949.22, 42,710.13 and 16,802.14

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Solution

The fourth proportional to 30,949.22, 42,710.13 and 16,802.14 is: 23,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.22 : 42,710.13 = 16,802.14 : x
  2. Step 2: Convert to fraction form
    30,949.22/42,710.13 = 16,802.14/x
  3. Step 3: Cross multiply
    30,949.22x = 42,710.13 × 16,802.14
  4. Step 4: Simplify right side
    30,949.22x = 717,621,583.68
  5. Step 5: Solve for x
    x = 717,621,583.68/30,949.22
  6. Step 6: Final answer
    x = 23,187.07

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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.