Home / 51,073.26-76,609.64-13,122.49

Finding the Fourth Proportional to 51,073.26, 76,609.64 and 13,122.49

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Solution

The fourth proportional to 51,073.26, 76,609.64 and 13,122.49 is: 19,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,073.26 : 76,609.64 = 13,122.49 : x
  2. Step 2: Convert to fraction form
    51,073.26/76,609.64 = 13,122.49/x
  3. Step 3: Cross multiply
    51,073.26x = 76,609.64 × 13,122.49
  4. Step 4: Simplify right side
    51,073.26x = 1,005,308,977.67
  5. Step 5: Solve for x
    x = 1,005,308,977.67/51,073.26
  6. Step 6: Final answer
    x = 19,683.67

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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.