Home / 31,448.76-43,405.48-18,029.04

Finding the Fourth Proportional to 31,448.76, 43,405.48 and 18,029.04

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Solution

The fourth proportional to 31,448.76, 43,405.48 and 18,029.04 is: 24,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.76 : 43,405.48 = 18,029.04 : x
  2. Step 2: Convert to fraction form
    31,448.76/43,405.48 = 18,029.04/x
  3. Step 3: Cross multiply
    31,448.76x = 43,405.48 × 18,029.04
  4. Step 4: Simplify right side
    31,448.76x = 782,559,135.14
  5. Step 5: Solve for x
    x = 782,559,135.14/31,448.76
  6. Step 6: Final answer
    x = 24,883.62

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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.