Home / 51,117.75-70,546.82-28,766.07

Finding the Fourth Proportional to 51,117.75, 70,546.82 and 28,766.07

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Solution

The fourth proportional to 51,117.75, 70,546.82 and 28,766.07 is: 39,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117.75 : 70,546.82 = 28,766.07 : x
  2. Step 2: Convert to fraction form
    51,117.75/70,546.82 = 28,766.07/x
  3. Step 3: Cross multiply
    51,117.75x = 70,546.82 × 28,766.07
  4. Step 4: Simplify right side
    51,117.75x = 2,029,354,618.57
  5. Step 5: Solve for x
    x = 2,029,354,618.57/51,117.75
  6. Step 6: Final answer
    x = 39,699.61

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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.