Home / 30,158.34-41,619.90-16,728.84

Finding the Fourth Proportional to 30,158.34, 41,619.90 and 16,728.84

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Solution

The fourth proportional to 30,158.34, 41,619.90 and 16,728.84 is: 23,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.34 : 41,619.90 = 16,728.84 : x
  2. Step 2: Convert to fraction form
    30,158.34/41,619.90 = 16,728.84/x
  3. Step 3: Cross multiply
    30,158.34x = 41,619.90 × 16,728.84
  4. Step 4: Simplify right side
    30,158.34x = 696,252,647.92
  5. Step 5: Solve for x
    x = 696,252,647.92/30,158.34
  6. Step 6: Final answer
    x = 23,086.57

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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.