Home / 45,310.68-62,507.04-31,889.38

Finding the Fourth Proportional to 45,310.68, 62,507.04 and 31,889.38

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Solution

The fourth proportional to 45,310.68, 62,507.04 and 31,889.38 is: 43,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,310.68 : 62,507.04 = 31,889.38 : x
  2. Step 2: Convert to fraction form
    45,310.68/62,507.04 = 31,889.38/x
  3. Step 3: Cross multiply
    45,310.68x = 62,507.04 × 31,889.38
  4. Step 4: Simplify right side
    45,310.68x = 1,993,310,751.24
  5. Step 5: Solve for x
    x = 1,993,310,751.24/45,310.68
  6. Step 6: Final answer
    x = 43,992.07

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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.