Home / 31,526.77-43,507.24-17,380.12

Finding the Fourth Proportional to 31,526.77, 43,507.24 and 17,380.12

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Solution

The fourth proportional to 31,526.77, 43,507.24 and 17,380.12 is: 23,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.77 : 43,507.24 = 17,380.12 : x
  2. Step 2: Convert to fraction form
    31,526.77/43,507.24 = 17,380.12/x
  3. Step 3: Cross multiply
    31,526.77x = 43,507.24 × 17,380.12
  4. Step 4: Simplify right side
    31,526.77x = 756,161,052.07
  5. Step 5: Solve for x
    x = 756,161,052.07/31,526.77
  6. Step 6: Final answer
    x = 23,984.73

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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.