Home / 30,086.71-41,524.26-18,758.05

Finding the Fourth Proportional to 30,086.71, 41,524.26 and 18,758.05

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Solution

The fourth proportional to 30,086.71, 41,524.26 and 18,758.05 is: 25,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,086.71 : 41,524.26 = 18,758.05 : x
  2. Step 2: Convert to fraction form
    30,086.71/41,524.26 = 18,758.05/x
  3. Step 3: Cross multiply
    30,086.71x = 41,524.26 × 18,758.05
  4. Step 4: Simplify right side
    30,086.71x = 778,914,145.29
  5. Step 5: Solve for x
    x = 778,914,145.29/30,086.71
  6. Step 6: Final answer
    x = 25,888.98

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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.