Home / 39,945.93-55,125.23-22,040.83

Finding the Fourth Proportional to 39,945.93, 55,125.23 and 22,040.83

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Solution

The fourth proportional to 39,945.93, 55,125.23 and 22,040.83 is: 30,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.93 : 55,125.23 = 22,040.83 : x
  2. Step 2: Convert to fraction form
    39,945.93/55,125.23 = 22,040.83/x
  3. Step 3: Cross multiply
    39,945.93x = 55,125.23 × 22,040.83
  4. Step 4: Simplify right side
    39,945.93x = 1,215,005,781.84
  5. Step 5: Solve for x
    x = 1,215,005,781.84/39,945.93
  6. Step 6: Final answer
    x = 30,416.26

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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.