Home / 39,945.03-55,124.33-22,040.01

Finding the Fourth Proportional to 39,945.03, 55,124.33 and 22,040.01

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Solution

The fourth proportional to 39,945.03, 55,124.33 and 22,040.01 is: 30,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.03 : 55,124.33 = 22,040.01 : x
  2. Step 2: Convert to fraction form
    39,945.03/55,124.33 = 22,040.01/x
  3. Step 3: Cross multiply
    39,945.03x = 55,124.33 × 22,040.01
  4. Step 4: Simplify right side
    39,945.03x = 1,214,940,674.24
  5. Step 5: Solve for x
    x = 1,214,940,674.24/39,945.03
  6. Step 6: Final answer
    x = 30,415.32

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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.