Home / 45,459.51-68,193.14-13,876.67

Finding the Fourth Proportional to 45,459.51, 68,193.14 and 13,876.67

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Solution

The fourth proportional to 45,459.51, 68,193.14 and 13,876.67 is: 20,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,459.51 : 68,193.14 = 13,876.67 : x
  2. Step 2: Convert to fraction form
    45,459.51/68,193.14 = 13,876.67/x
  3. Step 3: Cross multiply
    45,459.51x = 68,193.14 × 13,876.67
  4. Step 4: Simplify right side
    45,459.51x = 946,293,289.69
  5. Step 5: Solve for x
    x = 946,293,289.69/45,459.51
  6. Step 6: Final answer
    x = 20,816.18

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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.