Home / 81,720.03-122,576.72-22,554.18

Finding the Fourth Proportional to 81,720.03, 122,576.72 and 22,554.18

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Solution

The fourth proportional to 81,720.03, 122,576.72 and 22,554.18 is: 33,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,720.03 : 122,576.72 = 22,554.18 : x
  2. Step 2: Convert to fraction form
    81,720.03/122,576.72 = 22,554.18/x
  3. Step 3: Cross multiply
    81,720.03x = 122,576.72 × 22,554.18
  4. Step 4: Simplify right side
    81,720.03x = 2,764,617,293.92
  5. Step 5: Solve for x
    x = 2,764,617,293.92/81,720.03
  6. Step 6: Final answer
    x = 33,830.35

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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.