Home / 31,186.58-43,040.03-17,762.04

Finding the Fourth Proportional to 31,186.58, 43,040.03 and 17,762.04

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Solution

The fourth proportional to 31,186.58, 43,040.03 and 17,762.04 is: 24,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.58 : 43,040.03 = 17,762.04 : x
  2. Step 2: Convert to fraction form
    31,186.58/43,040.03 = 17,762.04/x
  3. Step 3: Cross multiply
    31,186.58x = 43,040.03 × 17,762.04
  4. Step 4: Simplify right side
    31,186.58x = 764,478,645.65
  5. Step 5: Solve for x
    x = 764,478,645.65/31,186.58
  6. Step 6: Final answer
    x = 24,513.07

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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.