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Finding the Fourth Proportional to 46,352.88, 69,546.72 and 21,404.88

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Solution

The fourth proportional to 46,352.88, 69,546.72 and 21,404.88 is: 32,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,352.88 : 69,546.72 = 21,404.88 : x
  2. Step 2: Convert to fraction form
    46,352.88/69,546.72 = 21,404.88/x
  3. Step 3: Cross multiply
    46,352.88x = 69,546.72 × 21,404.88
  4. Step 4: Simplify right side
    46,352.88x = 1,488,639,195.99
  5. Step 5: Solve for x
    x = 1,488,639,195.99/46,352.88
  6. Step 6: Final answer
    x = 32,115.35

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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.