Home / 52,129.71-71,939.09-28,256.37

Finding the Fourth Proportional to 52,129.71, 71,939.09 and 28,256.37

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Solution

The fourth proportional to 52,129.71, 71,939.09 and 28,256.37 is: 38,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.71 : 71,939.09 = 28,256.37 : x
  2. Step 2: Convert to fraction form
    52,129.71/71,939.09 = 28,256.37/x
  3. Step 3: Cross multiply
    52,129.71x = 71,939.09 × 28,256.37
  4. Step 4: Simplify right side
    52,129.71x = 2,032,737,403.22
  5. Step 5: Solve for x
    x = 2,032,737,403.22/52,129.71
  6. Step 6: Final answer
    x = 38,993.84

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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.