Home / 31,521.33-43,562.16-25,847.28

Finding the Fourth Proportional to 31,521.33, 43,562.16 and 25,847.28

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Solution

The fourth proportional to 31,521.33, 43,562.16 and 25,847.28 is: 35,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.33 : 43,562.16 = 25,847.28 : x
  2. Step 2: Convert to fraction form
    31,521.33/43,562.16 = 25,847.28/x
  3. Step 3: Cross multiply
    31,521.33x = 43,562.16 × 25,847.28
  4. Step 4: Simplify right side
    31,521.33x = 1,125,963,346.92
  5. Step 5: Solve for x
    x = 1,125,963,346.92/31,521.33
  6. Step 6: Final answer
    x = 35,720.68

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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.