Home / 30,156.72-41,618.04-16,729.45

Finding the Fourth Proportional to 30,156.72, 41,618.04 and 16,729.45

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Solution

The fourth proportional to 30,156.72, 41,618.04 and 16,729.45 is: 23,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.72 : 41,618.04 = 16,729.45 : x
  2. Step 2: Convert to fraction form
    30,156.72/41,618.04 = 16,729.45/x
  3. Step 3: Cross multiply
    30,156.72x = 41,618.04 × 16,729.45
  4. Step 4: Simplify right side
    30,156.72x = 696,246,752.50
  5. Step 5: Solve for x
    x = 696,246,752.50/30,156.72
  6. Step 6: Final answer
    x = 23,087.62

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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.