Home / 45,459.76-68,193.51-13,876.92

Finding the Fourth Proportional to 45,459.76, 68,193.51 and 13,876.92

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Solution

The fourth proportional to 45,459.76, 68,193.51 and 13,876.92 is: 20,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,459.76 : 68,193.51 = 13,876.92 : x
  2. Step 2: Convert to fraction form
    45,459.76/68,193.51 = 13,876.92/x
  3. Step 3: Cross multiply
    45,459.76x = 68,193.51 × 13,876.92
  4. Step 4: Simplify right side
    45,459.76x = 946,315,882.79
  5. Step 5: Solve for x
    x = 946,315,882.79/45,459.76
  6. Step 6: Final answer
    x = 20,816.56

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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.