Home / 31,527.35-43,507.75-18,099.48

Finding the Fourth Proportional to 31,527.35, 43,507.75 and 18,099.48

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Solution

The fourth proportional to 31,527.35, 43,507.75 and 18,099.48 is: 24,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.35 : 43,507.75 = 18,099.48 : x
  2. Step 2: Convert to fraction form
    31,527.35/43,507.75 = 18,099.48/x
  3. Step 3: Cross multiply
    31,527.35x = 43,507.75 × 18,099.48
  4. Step 4: Simplify right side
    31,527.35x = 787,467,359.36
  5. Step 5: Solve for x
    x = 787,467,359.36/31,527.35
  6. Step 6: Final answer
    x = 24,977.28

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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.