Home / 31,423.51-43,366.53-17,996.59

Finding the Fourth Proportional to 31,423.51, 43,366.53 and 17,996.59

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Solution

The fourth proportional to 31,423.51, 43,366.53 and 17,996.59 is: 24,836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.51 : 43,366.53 = 17,996.59 : x
  2. Step 2: Convert to fraction form
    31,423.51/43,366.53 = 17,996.59/x
  3. Step 3: Cross multiply
    31,423.51x = 43,366.53 × 17,996.59
  4. Step 4: Simplify right side
    31,423.51x = 780,449,660.13
  5. Step 5: Solve for x
    x = 780,449,660.13/31,423.51
  6. Step 6: Final answer
    x = 24,836.49

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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.