Home / 30,152.79-41,625.14-20,097.99

Finding the Fourth Proportional to 30,152.79, 41,625.14 and 20,097.99

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Solution

The fourth proportional to 30,152.79, 41,625.14 and 20,097.99 is: 27,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.79 : 41,625.14 = 20,097.99 : x
  2. Step 2: Convert to fraction form
    30,152.79/41,625.14 = 20,097.99/x
  3. Step 3: Cross multiply
    30,152.79x = 41,625.14 × 20,097.99
  4. Step 4: Simplify right side
    30,152.79x = 836,581,546.98
  5. Step 5: Solve for x
    x = 836,581,546.98/30,152.79
  6. Step 6: Final answer
    x = 27,744.75

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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.