Home / 39,923.40-55,097.58-22,020.11

Finding the Fourth Proportional to 39,923.40, 55,097.58 and 22,020.11

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Solution

The fourth proportional to 39,923.40, 55,097.58 and 22,020.11 is: 30,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.40 : 55,097.58 = 22,020.11 : x
  2. Step 2: Convert to fraction form
    39,923.40/55,097.58 = 22,020.11/x
  3. Step 3: Cross multiply
    39,923.40x = 55,097.58 × 22,020.11
  4. Step 4: Simplify right side
    39,923.40x = 1,213,254,496.85
  5. Step 5: Solve for x
    x = 1,213,254,496.85/39,923.40
  6. Step 6: Final answer
    x = 30,389.56

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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.