Home / 83,504.09-125,255.08-20,324.32

Finding the Fourth Proportional to 83,504.09, 125,255.08 and 20,324.32

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Solution

The fourth proportional to 83,504.09, 125,255.08 and 20,324.32 is: 30,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,504.09 : 125,255.08 = 20,324.32 : x
  2. Step 2: Convert to fraction form
    83,504.09/125,255.08 = 20,324.32/x
  3. Step 3: Cross multiply
    83,504.09x = 125,255.08 × 20,324.32
  4. Step 4: Simplify right side
    83,504.09x = 2,545,724,327.55
  5. Step 5: Solve for x
    x = 2,545,724,327.55/83,504.09
  6. Step 6: Final answer
    x = 30,486.22

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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.