Home / 54,288.63-81,429.10-16,847.80

Finding the Fourth Proportional to 54,288.63, 81,429.10 and 16,847.80

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Solution

The fourth proportional to 54,288.63, 81,429.10 and 16,847.80 is: 25,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288.63 : 81,429.10 = 16,847.80 : x
  2. Step 2: Convert to fraction form
    54,288.63/81,429.10 = 16,847.80/x
  3. Step 3: Cross multiply
    54,288.63x = 81,429.10 × 16,847.80
  4. Step 4: Simplify right side
    54,288.63x = 1,371,900,945.29
  5. Step 5: Solve for x
    x = 1,371,900,945.29/54,288.63
  6. Step 6: Final answer
    x = 25,270.50

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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.