Home / 31,784.36-43,863.75-17,637.21

Finding the Fourth Proportional to 31,784.36, 43,863.75 and 17,637.21

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Solution

The fourth proportional to 31,784.36, 43,863.75 and 17,637.21 is: 24,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,784.36 : 43,863.75 = 17,637.21 : x
  2. Step 2: Convert to fraction form
    31,784.36/43,863.75 = 17,637.21/x
  3. Step 3: Cross multiply
    31,784.36x = 43,863.75 × 17,637.21
  4. Step 4: Simplify right side
    31,784.36x = 773,634,170.14
  5. Step 5: Solve for x
    x = 773,634,170.14/31,784.36
  6. Step 6: Final answer
    x = 24,340.09

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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.