Home / 39,945.06-55,123.86-22,040.82

Finding the Fourth Proportional to 39,945.06, 55,123.86 and 22,040.82

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Solution

The fourth proportional to 39,945.06, 55,123.86 and 22,040.82 is: 30,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.06 : 55,123.86 = 22,040.82 : x
  2. Step 2: Convert to fraction form
    39,945.06/55,123.86 = 22,040.82/x
  3. Step 3: Cross multiply
    39,945.06x = 55,123.86 × 22,040.82
  4. Step 4: Simplify right side
    39,945.06x = 1,214,975,075.97
  5. Step 5: Solve for x
    x = 1,214,975,075.97/39,945.06
  6. Step 6: Final answer
    x = 30,416.15

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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.