Home / 39,945.58-55,125.10-22,040.60

Finding the Fourth Proportional to 39,945.58, 55,125.10 and 22,040.60

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Solution

The fourth proportional to 39,945.58, 55,125.10 and 22,040.60 is: 30,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.58 : 55,125.10 = 22,040.60 : x
  2. Step 2: Convert to fraction form
    39,945.58/55,125.10 = 22,040.60/x
  3. Step 3: Cross multiply
    39,945.58x = 55,125.10 × 22,040.60
  4. Step 4: Simplify right side
    39,945.58x = 1,214,990,279.06
  5. Step 5: Solve for x
    x = 1,214,990,279.06/39,945.58
  6. Step 6: Final answer
    x = 30,416.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.