Home / 51,255.43-70,732.57-28,284.71

Finding the Fourth Proportional to 51,255.43, 70,732.57 and 28,284.71

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Solution

The fourth proportional to 51,255.43, 70,732.57 and 28,284.71 is: 39,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,255.43 : 70,732.57 = 28,284.71 : x
  2. Step 2: Convert to fraction form
    51,255.43/70,732.57 = 28,284.71/x
  3. Step 3: Cross multiply
    51,255.43x = 70,732.57 × 28,284.71
  4. Step 4: Simplify right side
    51,255.43x = 2,000,650,230.00
  5. Step 5: Solve for x
    x = 2,000,650,230.00/51,255.43
  6. Step 6: Final answer
    x = 39,032.95

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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.