Home / 31,209.84-43,072.52-17,064.80

Finding the Fourth Proportional to 31,209.84, 43,072.52 and 17,064.80

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Solution

The fourth proportional to 31,209.84, 43,072.52 and 17,064.80 is: 23,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.84 : 43,072.52 = 17,064.80 : x
  2. Step 2: Convert to fraction form
    31,209.84/43,072.52 = 17,064.80/x
  3. Step 3: Cross multiply
    31,209.84x = 43,072.52 × 17,064.80
  4. Step 4: Simplify right side
    31,209.84x = 735,023,939.30
  5. Step 5: Solve for x
    x = 735,023,939.30/31,209.84
  6. Step 6: Final answer
    x = 23,551.03

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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.