Home / 50,485.64-75,631.32-28,231.52

Finding the Fourth Proportional to 50,485.64, 75,631.32 and 28,231.52

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Solution

The fourth proportional to 50,485.64, 75,631.32 and 28,231.52 is: 42,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485.64 : 75,631.32 = 28,231.52 : x
  2. Step 2: Convert to fraction form
    50,485.64/75,631.32 = 28,231.52/x
  3. Step 3: Cross multiply
    50,485.64x = 75,631.32 × 28,231.52
  4. Step 4: Simplify right side
    50,485.64x = 2,135,187,123.21
  5. Step 5: Solve for x
    x = 2,135,187,123.21/50,485.64
  6. Step 6: Final answer
    x = 42,292.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.