Home / 31,278.06-43,166.82-17,851.35

Finding the Fourth Proportional to 31,278.06, 43,166.82 and 17,851.35

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Solution

The fourth proportional to 31,278.06, 43,166.82 and 17,851.35 is: 24,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.06 : 43,166.82 = 17,851.35 : x
  2. Step 2: Convert to fraction form
    31,278.06/43,166.82 = 17,851.35/x
  3. Step 3: Cross multiply
    31,278.06x = 43,166.82 × 17,851.35
  4. Step 4: Simplify right side
    31,278.06x = 770,585,876.81
  5. Step 5: Solve for x
    x = 770,585,876.81/31,278.06
  6. Step 6: Final answer
    x = 24,636.63

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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.