Home / 47,379.88-65,354.75-28,246.36

Finding the Fourth Proportional to 47,379.88, 65,354.75 and 28,246.36

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Solution

The fourth proportional to 47,379.88, 65,354.75 and 28,246.36 is: 38,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,379.88 : 65,354.75 = 28,246.36 : x
  2. Step 2: Convert to fraction form
    47,379.88/65,354.75 = 28,246.36/x
  3. Step 3: Cross multiply
    47,379.88x = 65,354.75 × 28,246.36
  4. Step 4: Simplify right side
    47,379.88x = 1,846,033,469.44
  5. Step 5: Solve for x
    x = 1,846,033,469.44/47,379.88
  6. Step 6: Final answer
    x = 38,962.40

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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.