Home / 31,135.43-42,966.67-17,706.68

Finding the Fourth Proportional to 31,135.43, 42,966.67 and 17,706.68

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Solution

The fourth proportional to 31,135.43, 42,966.67 and 17,706.68 is: 24,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.43 : 42,966.67 = 17,706.68 : x
  2. Step 2: Convert to fraction form
    31,135.43/42,966.67 = 17,706.68/x
  3. Step 3: Cross multiply
    31,135.43x = 42,966.67 × 17,706.68
  4. Step 4: Simplify right side
    31,135.43x = 760,797,076.36
  5. Step 5: Solve for x
    x = 760,797,076.36/31,135.43
  6. Step 6: Final answer
    x = 24,435.09

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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.