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Finding the Fourth Proportional to 35,469.70, 48,950.39 and 19,554.12

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Solution

The fourth proportional to 35,469.70, 48,950.39 and 19,554.12 is: 26,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,469.70 : 48,950.39 = 19,554.12 : x
  2. Step 2: Convert to fraction form
    35,469.70/48,950.39 = 19,554.12/x
  3. Step 3: Cross multiply
    35,469.70x = 48,950.39 × 19,554.12
  4. Step 4: Simplify right side
    35,469.70x = 957,181,800.11
  5. Step 5: Solve for x
    x = 957,181,800.11/35,469.70
  6. Step 6: Final answer
    x = 26,985.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.