Home / 30,236.76-41,715.66-18,295.74

Finding the Fourth Proportional to 30,236.76, 41,715.66 and 18,295.74

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Solution

The fourth proportional to 30,236.76, 41,715.66 and 18,295.74 is: 25,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.76 : 41,715.66 = 18,295.74 : x
  2. Step 2: Convert to fraction form
    30,236.76/41,715.66 = 18,295.74/x
  3. Step 3: Cross multiply
    30,236.76x = 41,715.66 × 18,295.74
  4. Step 4: Simplify right side
    30,236.76x = 763,218,869.29
  5. Step 5: Solve for x
    x = 763,218,869.29/30,236.76
  6. Step 6: Final answer
    x = 25,241.42

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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.