Home / 30,100.76-41,538.50-16,671.97

Finding the Fourth Proportional to 30,100.76, 41,538.50 and 16,671.97

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Solution

The fourth proportional to 30,100.76, 41,538.50 and 16,671.97 is: 23,007.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.76 : 41,538.50 = 16,671.97 : x
  2. Step 2: Convert to fraction form
    30,100.76/41,538.50 = 16,671.97/x
  3. Step 3: Cross multiply
    30,100.76x = 41,538.50 × 16,671.97
  4. Step 4: Simplify right side
    30,100.76x = 692,528,625.85
  5. Step 5: Solve for x
    x = 692,528,625.85/30,100.76
  6. Step 6: Final answer
    x = 23,007.01

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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.