Home / 31,487.77-43,448.70-17,341.54

Finding the Fourth Proportional to 31,487.77, 43,448.70 and 17,341.54

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Solution

The fourth proportional to 31,487.77, 43,448.70 and 17,341.54 is: 23,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,487.77 : 43,448.70 = 17,341.54 : x
  2. Step 2: Convert to fraction form
    31,487.77/43,448.70 = 17,341.54/x
  3. Step 3: Cross multiply
    31,487.77x = 43,448.70 × 17,341.54
  4. Step 4: Simplify right side
    31,487.77x = 753,467,369.00
  5. Step 5: Solve for x
    x = 753,467,369.00/31,487.77
  6. Step 6: Final answer
    x = 23,928.89

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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.