Home / 54,310.50-81,509.49-28,022.76

Finding the Fourth Proportional to 54,310.50, 81,509.49 and 28,022.76

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Solution

The fourth proportional to 54,310.50, 81,509.49 and 28,022.76 is: 42,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.50 : 81,509.49 = 28,022.76 : x
  2. Step 2: Convert to fraction form
    54,310.50/81,509.49 = 28,022.76/x
  3. Step 3: Cross multiply
    54,310.50x = 81,509.49 × 28,022.76
  4. Step 4: Simplify right side
    54,310.50x = 2,284,120,875.99
  5. Step 5: Solve for x
    x = 2,284,120,875.99/54,310.50
  6. Step 6: Final answer
    x = 42,056.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.