Home / 31,303.25-43,198.49-18,055.25

Finding the Fourth Proportional to 31,303.25, 43,198.49 and 18,055.25

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Solution

The fourth proportional to 31,303.25, 43,198.49 and 18,055.25 is: 24,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.25 : 43,198.49 = 18,055.25 : x
  2. Step 2: Convert to fraction form
    31,303.25/43,198.49 = 18,055.25/x
  3. Step 3: Cross multiply
    31,303.25x = 43,198.49 × 18,055.25
  4. Step 4: Simplify right side
    31,303.25x = 779,959,446.30
  5. Step 5: Solve for x
    x = 779,959,446.30/31,303.25
  6. Step 6: Final answer
    x = 24,916.25

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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.