Home / 50,722.20-69,996-28,059.42

Finding the Fourth Proportional to 50,722.20, 69,996 and 28,059.42

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Solution

The fourth proportional to 50,722.20, 69,996 and 28,059.42 is: 38,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,722.20 : 69,996 = 28,059.42 : x
  2. Step 2: Convert to fraction form
    50,722.20/69,996 = 28,059.42/x
  3. Step 3: Cross multiply
    50,722.20x = 69,996 × 28,059.42
  4. Step 4: Simplify right side
    50,722.20x = 1,964,047,162.32
  5. Step 5: Solve for x
    x = 1,964,047,162.32/50,722.20
  6. Step 6: Final answer
    x = 38,721.65

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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.