Home / 30,402.60-41,955.30-16,974.42

Finding the Fourth Proportional to 30,402.60, 41,955.30 and 16,974.42

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Solution

The fourth proportional to 30,402.60, 41,955.30 and 16,974.42 is: 23,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.60 : 41,955.30 = 16,974.42 : x
  2. Step 2: Convert to fraction form
    30,402.60/41,955.30 = 16,974.42/x
  3. Step 3: Cross multiply
    30,402.60x = 41,955.30 × 16,974.42
  4. Step 4: Simplify right side
    30,402.60x = 712,166,883.43
  5. Step 5: Solve for x
    x = 712,166,883.43/30,402.60
  6. Step 6: Final answer
    x = 23,424.54

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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.