Home / 47,234.19-70,830.10-13,942.58

Finding the Fourth Proportional to 47,234.19, 70,830.10 and 13,942.58

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Solution

The fourth proportional to 47,234.19, 70,830.10 and 13,942.58 is: 20,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,234.19 : 70,830.10 = 13,942.58 : x
  2. Step 2: Convert to fraction form
    47,234.19/70,830.10 = 13,942.58/x
  3. Step 3: Cross multiply
    47,234.19x = 70,830.10 × 13,942.58
  4. Step 4: Simplify right side
    47,234.19x = 987,554,318.93
  5. Step 5: Solve for x
    x = 987,554,318.93/47,234.19
  6. Step 6: Final answer
    x = 20,907.62

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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.