Home / 51,920.37-71,650.05-28,047.03

Finding the Fourth Proportional to 51,920.37, 71,650.05 and 28,047.03

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Solution

The fourth proportional to 51,920.37, 71,650.05 and 28,047.03 is: 38,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,920.37 : 71,650.05 = 28,047.03 : x
  2. Step 2: Convert to fraction form
    51,920.37/71,650.05 = 28,047.03/x
  3. Step 3: Cross multiply
    51,920.37x = 71,650.05 × 28,047.03
  4. Step 4: Simplify right side
    51,920.37x = 2,009,571,101.85
  5. Step 5: Solve for x
    x = 2,009,571,101.85/51,920.37
  6. Step 6: Final answer
    x = 38,704.87

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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.