Home / 31,412.84-43,350.06-17,072.68

Finding the Fourth Proportional to 31,412.84, 43,350.06 and 17,072.68

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Solution

The fourth proportional to 31,412.84, 43,350.06 and 17,072.68 is: 23,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.84 : 43,350.06 = 17,072.68 : x
  2. Step 2: Convert to fraction form
    31,412.84/43,350.06 = 17,072.68/x
  3. Step 3: Cross multiply
    31,412.84x = 43,350.06 × 17,072.68
  4. Step 4: Simplify right side
    31,412.84x = 740,101,702.36
  5. Step 5: Solve for x
    x = 740,101,702.36/31,412.84
  6. Step 6: Final answer
    x = 23,560.48

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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.