Home / 36,311.52-50,071.92-28,745.76

Finding the Fourth Proportional to 36,311.52, 50,071.92 and 28,745.76

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Solution

The fourth proportional to 36,311.52, 50,071.92 and 28,745.76 is: 39,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.52 : 50,071.92 = 28,745.76 : x
  2. Step 2: Convert to fraction form
    36,311.52/50,071.92 = 28,745.76/x
  3. Step 3: Cross multiply
    36,311.52x = 50,071.92 × 28,745.76
  4. Step 4: Simplify right side
    36,311.52x = 1,439,355,395.06
  5. Step 5: Solve for x
    x = 1,439,355,395.06/36,311.52
  6. Step 6: Final answer
    x = 39,639.08

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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.