Home / 31,527.68-43,508.54-17,381.03

Finding the Fourth Proportional to 31,527.68, 43,508.54 and 17,381.03

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Solution

The fourth proportional to 31,527.68, 43,508.54 and 17,381.03 is: 23,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.68 : 43,508.54 = 17,381.03 : x
  2. Step 2: Convert to fraction form
    31,527.68/43,508.54 = 17,381.03/x
  3. Step 3: Cross multiply
    31,527.68x = 43,508.54 × 17,381.03
  4. Step 4: Simplify right side
    31,527.68x = 756,223,239.00
  5. Step 5: Solve for x
    x = 756,223,239.00/31,527.68
  6. Step 6: Final answer
    x = 23,986.01

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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.