Home / 30,112.84-41,551.56-16,680.76

Finding the Fourth Proportional to 30,112.84, 41,551.56 and 16,680.76

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Solution

The fourth proportional to 30,112.84, 41,551.56 and 16,680.76 is: 23,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.84 : 41,551.56 = 16,680.76 : x
  2. Step 2: Convert to fraction form
    30,112.84/41,551.56 = 16,680.76/x
  3. Step 3: Cross multiply
    30,112.84x = 41,551.56 × 16,680.76
  4. Step 4: Simplify right side
    30,112.84x = 693,111,599.99
  5. Step 5: Solve for x
    x = 693,111,599.99/30,112.84
  6. Step 6: Final answer
    x = 23,017.14

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Half scale
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Double scale
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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.