Home / 31,527.52-43,507.20-17,380.08

Finding the Fourth Proportional to 31,527.52, 43,507.20 and 17,380.08

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Solution

The fourth proportional to 31,527.52, 43,507.20 and 17,380.08 is: 23,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.52 : 43,507.20 = 17,380.08 : x
  2. Step 2: Convert to fraction form
    31,527.52/43,507.20 = 17,380.08/x
  3. Step 3: Cross multiply
    31,527.52x = 43,507.20 × 17,380.08
  4. Step 4: Simplify right side
    31,527.52x = 756,158,616.58
  5. Step 5: Solve for x
    x = 756,158,616.58/31,527.52
  6. Step 6: Final answer
    x = 23,984.08

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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.