Home / 31,360.05-43,274.93-17,212.79

Finding the Fourth Proportional to 31,360.05, 43,274.93 and 17,212.79

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Solution

The fourth proportional to 31,360.05, 43,274.93 and 17,212.79 is: 23,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.05 : 43,274.93 = 17,212.79 : x
  2. Step 2: Convert to fraction form
    31,360.05/43,274.93 = 17,212.79/x
  3. Step 3: Cross multiply
    31,360.05x = 43,274.93 × 17,212.79
  4. Step 4: Simplify right side
    31,360.05x = 744,882,304.48
  5. Step 5: Solve for x
    x = 744,882,304.48/31,360.05
  6. Step 6: Final answer
    x = 23,752.59

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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.