Home / 31,293.90-43,185.60-17,146.74

Finding the Fourth Proportional to 31,293.90, 43,185.60 and 17,146.74

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Solution

The fourth proportional to 31,293.90, 43,185.60 and 17,146.74 is: 23,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.90 : 43,185.60 = 17,146.74 : x
  2. Step 2: Convert to fraction form
    31,293.90/43,185.60 = 17,146.74/x
  3. Step 3: Cross multiply
    31,293.90x = 43,185.60 × 17,146.74
  4. Step 4: Simplify right side
    31,293.90x = 740,492,254.94
  5. Step 5: Solve for x
    x = 740,492,254.94/31,293.90
  6. Step 6: Final answer
    x = 23,662.51

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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.