Home / 51,178.26-70,625.04-28,516.77

Finding the Fourth Proportional to 51,178.26, 70,625.04 and 28,516.77

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Solution

The fourth proportional to 51,178.26, 70,625.04 and 28,516.77 is: 39,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178.26 : 70,625.04 = 28,516.77 : x
  2. Step 2: Convert to fraction form
    51,178.26/70,625.04 = 28,516.77/x
  3. Step 3: Cross multiply
    51,178.26x = 70,625.04 × 28,516.77
  4. Step 4: Simplify right side
    51,178.26x = 2,013,998,021.92
  5. Step 5: Solve for x
    x = 2,013,998,021.92/51,178.26
  6. Step 6: Final answer
    x = 39,352.61

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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.