Home / 31,393.07-43,322.73-17,246.21

Finding the Fourth Proportional to 31,393.07, 43,322.73 and 17,246.21

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Solution

The fourth proportional to 31,393.07, 43,322.73 and 17,246.21 is: 23,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.07 : 43,322.73 = 17,246.21 : x
  2. Step 2: Convert to fraction form
    31,393.07/43,322.73 = 17,246.21/x
  3. Step 3: Cross multiply
    31,393.07x = 43,322.73 × 17,246.21
  4. Step 4: Simplify right side
    31,393.07x = 747,152,899.35
  5. Step 5: Solve for x
    x = 747,152,899.35/31,393.07
  6. Step 6: Final answer
    x = 23,799.93

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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.