Home / 47,285.46-70,930.61-12,225.42

Finding the Fourth Proportional to 47,285.46, 70,930.61 and 12,225.42

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Solution

The fourth proportional to 47,285.46, 70,930.61 and 12,225.42 is: 18,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,285.46 : 70,930.61 = 12,225.42 : x
  2. Step 2: Convert to fraction form
    47,285.46/70,930.61 = 12,225.42/x
  3. Step 3: Cross multiply
    47,285.46x = 70,930.61 × 12,225.42
  4. Step 4: Simplify right side
    47,285.46x = 867,156,174.02
  5. Step 5: Solve for x
    x = 867,156,174.02/47,285.46
  6. Step 6: Final answer
    x = 18,338.75

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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.