Home / 45,368.94-68,045.76-13,771.44

Finding the Fourth Proportional to 45,368.94, 68,045.76 and 13,771.44

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Solution

The fourth proportional to 45,368.94, 68,045.76 and 13,771.44 is: 20,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,368.94 : 68,045.76 = 13,771.44 : x
  2. Step 2: Convert to fraction form
    45,368.94/68,045.76 = 13,771.44/x
  3. Step 3: Cross multiply
    45,368.94x = 68,045.76 × 13,771.44
  4. Step 4: Simplify right side
    45,368.94x = 937,088,101.09
  5. Step 5: Solve for x
    x = 937,088,101.09/45,368.94
  6. Step 6: Final answer
    x = 20,654.84

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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.