Home / 47,485.20-71,229-16,320.24

Finding the Fourth Proportional to 47,485.20, 71,229 and 16,320.24

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Solution

The fourth proportional to 47,485.20, 71,229 and 16,320.24 is: 24,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.20 : 71,229 = 16,320.24 : x
  2. Step 2: Convert to fraction form
    47,485.20/71,229 = 16,320.24/x
  3. Step 3: Cross multiply
    47,485.20x = 71,229 × 16,320.24
  4. Step 4: Simplify right side
    47,485.20x = 1,162,474,374.96
  5. Step 5: Solve for x
    x = 1,162,474,374.96/47,485.20
  6. Step 6: Final answer
    x = 24,480.77

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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.