Home / 45,368.58-68,052.98-13,778.89

Finding the Fourth Proportional to 45,368.58, 68,052.98 and 13,778.89

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Solution

The fourth proportional to 45,368.58, 68,052.98 and 13,778.89 is: 20,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,368.58 : 68,052.98 = 13,778.89 : x
  2. Step 2: Convert to fraction form
    45,368.58/68,052.98 = 13,778.89/x
  3. Step 3: Cross multiply
    45,368.58x = 68,052.98 × 13,778.89
  4. Step 4: Simplify right side
    45,368.58x = 937,694,286.57
  5. Step 5: Solve for x
    x = 937,694,286.57/45,368.58
  6. Step 6: Final answer
    x = 20,668.36

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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.