Home / 30,158.54-41,618.62-16,729.65

Finding the Fourth Proportional to 30,158.54, 41,618.62 and 16,729.65

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Solution

The fourth proportional to 30,158.54, 41,618.62 and 16,729.65 is: 23,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.54 : 41,618.62 = 16,729.65 : x
  2. Step 2: Convert to fraction form
    30,158.54/41,618.62 = 16,729.65/x
  3. Step 3: Cross multiply
    30,158.54x = 41,618.62 × 16,729.65
  4. Step 4: Simplify right side
    30,158.54x = 696,264,946.08
  5. Step 5: Solve for x
    x = 696,264,946.08/30,158.54
  6. Step 6: Final answer
    x = 23,086.83

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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.