Home / 39,950.01-55,131.30-22,045.65

Finding the Fourth Proportional to 39,950.01, 55,131.30 and 22,045.65

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Solution

The fourth proportional to 39,950.01, 55,131.30 and 22,045.65 is: 30,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,950.01 : 55,131.30 = 22,045.65 : x
  2. Step 2: Convert to fraction form
    39,950.01/55,131.30 = 22,045.65/x
  3. Step 3: Cross multiply
    39,950.01x = 55,131.30 × 22,045.65
  4. Step 4: Simplify right side
    39,950.01x = 1,215,405,343.85
  5. Step 5: Solve for x
    x = 1,215,405,343.85/39,950.01
  6. Step 6: Final answer
    x = 30,423.15

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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.