Home / 30,940.45-42,697.86-16,793.29

Finding the Fourth Proportional to 30,940.45, 42,697.86 and 16,793.29

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Solution

The fourth proportional to 30,940.45, 42,697.86 and 16,793.29 is: 23,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.45 : 42,697.86 = 16,793.29 : x
  2. Step 2: Convert to fraction form
    30,940.45/42,697.86 = 16,793.29/x
  3. Step 3: Cross multiply
    30,940.45x = 42,697.86 × 16,793.29
  4. Step 4: Simplify right side
    30,940.45x = 717,037,545.36
  5. Step 5: Solve for x
    x = 717,037,545.36/30,940.45
  6. Step 6: Final answer
    x = 23,174.76

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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.