Home / 47,752.60-71,609.46-21,450.28

Finding the Fourth Proportional to 47,752.60, 71,609.46 and 21,450.28

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Solution

The fourth proportional to 47,752.60, 71,609.46 and 21,450.28 is: 32,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,752.60 : 71,609.46 = 21,450.28 : x
  2. Step 2: Convert to fraction form
    47,752.60/71,609.46 = 21,450.28/x
  3. Step 3: Cross multiply
    47,752.60x = 71,609.46 × 21,450.28
  4. Step 4: Simplify right side
    47,752.60x = 1,536,042,967.65
  5. Step 5: Solve for x
    x = 1,536,042,967.65/47,752.60
  6. Step 6: Final answer
    x = 32,166.69

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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.