Home / 31,448.76-43,405.49-18,029.02

Finding the Fourth Proportional to 31,448.76, 43,405.49 and 18,029.02

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Solution

The fourth proportional to 31,448.76, 43,405.49 and 18,029.02 is: 24,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.76 : 43,405.49 = 18,029.02 : x
  2. Step 2: Convert to fraction form
    31,448.76/43,405.49 = 18,029.02/x
  3. Step 3: Cross multiply
    31,448.76x = 43,405.49 × 18,029.02
  4. Step 4: Simplify right side
    31,448.76x = 782,558,357.17
  5. Step 5: Solve for x
    x = 782,558,357.17/31,448.76
  6. Step 6: Final answer
    x = 24,883.60

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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.