Home / 30,158.10-41,615.73-16,729.11

Finding the Fourth Proportional to 30,158.10, 41,615.73 and 16,729.11

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Solution

The fourth proportional to 30,158.10, 41,615.73 and 16,729.11 is: 23,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.10 : 41,615.73 = 16,729.11 : x
  2. Step 2: Convert to fraction form
    30,158.10/41,615.73 = 16,729.11/x
  3. Step 3: Cross multiply
    30,158.10x = 41,615.73 × 16,729.11
  4. Step 4: Simplify right side
    30,158.10x = 696,194,124.90
  5. Step 5: Solve for x
    x = 696,194,124.90/30,158.10
  6. Step 6: Final answer
    x = 23,084.81

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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.