Home / 31,634.66-43,656.09-17,487.74

Finding the Fourth Proportional to 31,634.66, 43,656.09 and 17,487.74

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Solution

The fourth proportional to 31,634.66, 43,656.09 and 17,487.74 is: 24,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,634.66 : 43,656.09 = 17,487.74 : x
  2. Step 2: Convert to fraction form
    31,634.66/43,656.09 = 17,487.74/x
  3. Step 3: Cross multiply
    31,634.66x = 43,656.09 × 17,487.74
  4. Step 4: Simplify right side
    31,634.66x = 763,446,351.34
  5. Step 5: Solve for x
    x = 763,446,351.34/31,634.66
  6. Step 6: Final answer
    x = 24,133.22

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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.