Home / 31,335.33-43,242.94-17,907.08

Finding the Fourth Proportional to 31,335.33, 43,242.94 and 17,907.08

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Solution

The fourth proportional to 31,335.33, 43,242.94 and 17,907.08 is: 24,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.33 : 43,242.94 = 17,907.08 : x
  2. Step 2: Convert to fraction form
    31,335.33/43,242.94 = 17,907.08/x
  3. Step 3: Cross multiply
    31,335.33x = 43,242.94 × 17,907.08
  4. Step 4: Simplify right side
    31,335.33x = 774,354,786.02
  5. Step 5: Solve for x
    x = 774,354,786.02/31,335.33
  6. Step 6: Final answer
    x = 24,711.88

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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.