Home / 40,051.50-55,268.91-22,145.46

Finding the Fourth Proportional to 40,051.50, 55,268.91 and 22,145.46

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Solution

The fourth proportional to 40,051.50, 55,268.91 and 22,145.46 is: 30,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.50 : 55,268.91 = 22,145.46 : x
  2. Step 2: Convert to fraction form
    40,051.50/55,268.91 = 22,145.46/x
  3. Step 3: Cross multiply
    40,051.50x = 55,268.91 × 22,145.46
  4. Step 4: Simplify right side
    40,051.50x = 1,223,955,435.65
  5. Step 5: Solve for x
    x = 1,223,955,435.65/40,051.50
  6. Step 6: Final answer
    x = 30,559.54

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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.