Home / 31,221.84-43,090.08-17,797.92

Finding the Fourth Proportional to 31,221.84, 43,090.08 and 17,797.92

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Solution

The fourth proportional to 31,221.84, 43,090.08 and 17,797.92 is: 24,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.84 : 43,090.08 = 17,797.92 : x
  2. Step 2: Convert to fraction form
    31,221.84/43,090.08 = 17,797.92/x
  3. Step 3: Cross multiply
    31,221.84x = 43,090.08 × 17,797.92
  4. Step 4: Simplify right side
    31,221.84x = 766,913,796.63
  5. Step 5: Solve for x
    x = 766,913,796.63/31,221.84
  6. Step 6: Final answer
    x = 24,563.38

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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.