Home / 51,177.26-70,623.66-28,515.77

Finding the Fourth Proportional to 51,177.26, 70,623.66 and 28,515.77

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Solution

The fourth proportional to 51,177.26, 70,623.66 and 28,515.77 is: 39,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,177.26 : 70,623.66 = 28,515.77 : x
  2. Step 2: Convert to fraction form
    51,177.26/70,623.66 = 28,515.77/x
  3. Step 3: Cross multiply
    51,177.26x = 70,623.66 × 28,515.77
  4. Step 4: Simplify right side
    51,177.26x = 2,013,887,692.00
  5. Step 5: Solve for x
    x = 2,013,887,692.00/51,177.26
  6. Step 6: Final answer
    x = 39,351.23

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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.