Home / 30,291.56-41,806.50-19,145.96

Finding the Fourth Proportional to 30,291.56, 41,806.50 and 19,145.96

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Solution

The fourth proportional to 30,291.56, 41,806.50 and 19,145.96 is: 26,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.56 : 41,806.50 = 19,145.96 : x
  2. Step 2: Convert to fraction form
    30,291.56/41,806.50 = 19,145.96/x
  3. Step 3: Cross multiply
    30,291.56x = 41,806.50 × 19,145.96
  4. Step 4: Simplify right side
    30,291.56x = 800,425,576.74
  5. Step 5: Solve for x
    x = 800,425,576.74/30,291.56
  6. Step 6: Final answer
    x = 26,424.05

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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.