Home / 30,914.48-42,660.83-16,767.02

Finding the Fourth Proportional to 30,914.48, 42,660.83 and 16,767.02

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Solution

The fourth proportional to 30,914.48, 42,660.83 and 16,767.02 is: 23,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914.48 : 42,660.83 = 16,767.02 : x
  2. Step 2: Convert to fraction form
    30,914.48/42,660.83 = 16,767.02/x
  3. Step 3: Cross multiply
    30,914.48x = 42,660.83 × 16,767.02
  4. Step 4: Simplify right side
    30,914.48x = 715,295,138.40
  5. Step 5: Solve for x
    x = 715,295,138.40/30,914.48
  6. Step 6: Final answer
    x = 23,137.87

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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.