Home / 30,906.68-42,650.84-16,759.50

Finding the Fourth Proportional to 30,906.68, 42,650.84 and 16,759.50

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Solution

The fourth proportional to 30,906.68, 42,650.84 and 16,759.50 is: 23,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.68 : 42,650.84 = 16,759.50 : x
  2. Step 2: Convert to fraction form
    30,906.68/42,650.84 = 16,759.50/x
  3. Step 3: Cross multiply
    30,906.68x = 42,650.84 × 16,759.50
  4. Step 4: Simplify right side
    30,906.68x = 714,806,752.98
  5. Step 5: Solve for x
    x = 714,806,752.98/30,906.68
  6. Step 6: Final answer
    x = 23,127.90

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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.