Home / 75,673.05-113,516.10-19,512.66

Finding the Fourth Proportional to 75,673.05, 113,516.10 and 19,512.66

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Solution

The fourth proportional to 75,673.05, 113,516.10 and 19,512.66 is: 29,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,673.05 : 113,516.10 = 19,512.66 : x
  2. Step 2: Convert to fraction form
    75,673.05/113,516.10 = 19,512.66/x
  3. Step 3: Cross multiply
    75,673.05x = 113,516.10 × 19,512.66
  4. Step 4: Simplify right side
    75,673.05x = 2,215,001,063.83
  5. Step 5: Solve for x
    x = 2,215,001,063.83/75,673.05
  6. Step 6: Final answer
    x = 29,270.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.