Home / 54,563.08-81,846.27-21,281.80

Finding the Fourth Proportional to 54,563.08, 81,846.27 and 21,281.80

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Solution

The fourth proportional to 54,563.08, 81,846.27 and 21,281.80 is: 31,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,563.08 : 81,846.27 = 21,281.80 : x
  2. Step 2: Convert to fraction form
    54,563.08/81,846.27 = 21,281.80/x
  3. Step 3: Cross multiply
    54,563.08x = 81,846.27 × 21,281.80
  4. Step 4: Simplify right side
    54,563.08x = 1,741,835,948.89
  5. Step 5: Solve for x
    x = 1,741,835,948.89/54,563.08
  6. Step 6: Final answer
    x = 31,923.34

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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.