Home / 34,778.40-52,193.20-14,016.80

Finding the Fourth Proportional to 34,778.40, 52,193.20 and 14,016.80

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Solution

The fourth proportional to 34,778.40, 52,193.20 and 14,016.80 is: 21,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.40 : 52,193.20 = 14,016.80 : x
  2. Step 2: Convert to fraction form
    34,778.40/52,193.20 = 14,016.80/x
  3. Step 3: Cross multiply
    34,778.40x = 52,193.20 × 14,016.80
  4. Step 4: Simplify right side
    34,778.40x = 731,581,645.76
  5. Step 5: Solve for x
    x = 731,581,645.76/34,778.40
  6. Step 6: Final answer
    x = 21,035.52

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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.