Home / 50,890.08-70,236.72-28,236.36

Finding the Fourth Proportional to 50,890.08, 70,236.72 and 28,236.36

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Solution

The fourth proportional to 50,890.08, 70,236.72 and 28,236.36 is: 38,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,890.08 : 70,236.72 = 28,236.36 : x
  2. Step 2: Convert to fraction form
    50,890.08/70,236.72 = 28,236.36/x
  3. Step 3: Cross multiply
    50,890.08x = 70,236.72 × 28,236.36
  4. Step 4: Simplify right side
    50,890.08x = 1,983,229,311.14
  5. Step 5: Solve for x
    x = 1,983,229,311.14/50,890.08
  6. Step 6: Final answer
    x = 38,970.84

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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.