Home / 31,525.62-43,507.26-17,378.40

Finding the Fourth Proportional to 31,525.62, 43,507.26 and 17,378.40

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Solution

The fourth proportional to 31,525.62, 43,507.26 and 17,378.40 is: 23,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.62 : 43,507.26 = 17,378.40 : x
  2. Step 2: Convert to fraction form
    31,525.62/43,507.26 = 17,378.40/x
  3. Step 3: Cross multiply
    31,525.62x = 43,507.26 × 17,378.40
  4. Step 4: Simplify right side
    31,525.62x = 756,086,567.18
  5. Step 5: Solve for x
    x = 756,086,567.18/31,525.62
  6. Step 6: Final answer
    x = 23,983.24

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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.