Home / 39,939.65-55,116.33-22,034.80

Finding the Fourth Proportional to 39,939.65, 55,116.33 and 22,034.80

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Solution

The fourth proportional to 39,939.65, 55,116.33 and 22,034.80 is: 30,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.65 : 55,116.33 = 22,034.80 : x
  2. Step 2: Convert to fraction form
    39,939.65/55,116.33 = 22,034.80/x
  3. Step 3: Cross multiply
    39,939.65x = 55,116.33 × 22,034.80
  4. Step 4: Simplify right side
    39,939.65x = 1,214,477,032.70
  5. Step 5: Solve for x
    x = 1,214,477,032.70/39,939.65
  6. Step 6: Final answer
    x = 30,407.81

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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.