Home / 47,658.72-71,488.59-14,379.07

Finding the Fourth Proportional to 47,658.72, 71,488.59 and 14,379.07

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Solution

The fourth proportional to 47,658.72, 71,488.59 and 14,379.07 is: 21,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,658.72 : 71,488.59 = 14,379.07 : x
  2. Step 2: Convert to fraction form
    47,658.72/71,488.59 = 14,379.07/x
  3. Step 3: Cross multiply
    47,658.72x = 71,488.59 × 14,379.07
  4. Step 4: Simplify right side
    47,658.72x = 1,027,939,439.81
  5. Step 5: Solve for x
    x = 1,027,939,439.81/47,658.72
  6. Step 6: Final answer
    x = 21,568.76

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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.