Home / 82,914.22-124,371.32-20,584.72

Finding the Fourth Proportional to 82,914.22, 124,371.32 and 20,584.72

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Solution

The fourth proportional to 82,914.22, 124,371.32 and 20,584.72 is: 30,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,914.22 : 124,371.32 = 20,584.72 : x
  2. Step 2: Convert to fraction form
    82,914.22/124,371.32 = 20,584.72/x
  3. Step 3: Cross multiply
    82,914.22x = 124,371.32 × 20,584.72
  4. Step 4: Simplify right side
    82,914.22x = 2,560,148,798.23
  5. Step 5: Solve for x
    x = 2,560,148,798.23/82,914.22
  6. Step 6: Final answer
    x = 30,877.08

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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.