Home / 30,884.92-42,621.22-16,737.76

Finding the Fourth Proportional to 30,884.92, 42,621.22 and 16,737.76

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Solution

The fourth proportional to 30,884.92, 42,621.22 and 16,737.76 is: 23,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884.92 : 42,621.22 = 16,737.76 : x
  2. Step 2: Convert to fraction form
    30,884.92/42,621.22 = 16,737.76/x
  3. Step 3: Cross multiply
    30,884.92x = 42,621.22 × 16,737.76
  4. Step 4: Simplify right side
    30,884.92x = 713,383,751.27
  5. Step 5: Solve for x
    x = 713,383,751.27/30,884.92
  6. Step 6: Final answer
    x = 23,098.13

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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.