Home / 50,697.20-69,967.18-28,037.90

Finding the Fourth Proportional to 50,697.20, 69,967.18 and 28,037.90

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Solution

The fourth proportional to 50,697.20, 69,967.18 and 28,037.90 is: 38,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,697.20 : 69,967.18 = 28,037.90 : x
  2. Step 2: Convert to fraction form
    50,697.20/69,967.18 = 28,037.90/x
  3. Step 3: Cross multiply
    50,697.20x = 69,967.18 × 28,037.90
  4. Step 4: Simplify right side
    50,697.20x = 1,961,732,796.12
  5. Step 5: Solve for x
    x = 1,961,732,796.12/50,697.20
  6. Step 6: Final answer
    x = 38,695.09

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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.