Home / 31,422.94-43,363.96-17,276.09

Finding the Fourth Proportional to 31,422.94, 43,363.96 and 17,276.09

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Solution

The fourth proportional to 31,422.94, 43,363.96 and 17,276.09 is: 23,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.94 : 43,363.96 = 17,276.09 : x
  2. Step 2: Convert to fraction form
    31,422.94/43,363.96 = 17,276.09/x
  3. Step 3: Cross multiply
    31,422.94x = 43,363.96 × 17,276.09
  4. Step 4: Simplify right side
    31,422.94x = 749,159,415.71
  5. Step 5: Solve for x
    x = 749,159,415.71/31,422.94
  6. Step 6: Final answer
    x = 23,841.16

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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.