Home / 31,757.63-43,822.37-18,333.21

Finding the Fourth Proportional to 31,757.63, 43,822.37 and 18,333.21

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Solution

The fourth proportional to 31,757.63, 43,822.37 and 18,333.21 is: 25,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,757.63 : 43,822.37 = 18,333.21 : x
  2. Step 2: Convert to fraction form
    31,757.63/43,822.37 = 18,333.21/x
  3. Step 3: Cross multiply
    31,757.63x = 43,822.37 × 18,333.21
  4. Step 4: Simplify right side
    31,757.63x = 803,404,757.74
  5. Step 5: Solve for x
    x = 803,404,757.74/31,757.63
  6. Step 6: Final answer
    x = 25,298.01

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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.