Home / 49,416.30-74,124.45-21,714.30

Finding the Fourth Proportional to 49,416.30, 74,124.45 and 21,714.30

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Solution

The fourth proportional to 49,416.30, 74,124.45 and 21,714.30 is: 32,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,416.30 : 74,124.45 = 21,714.30 : x
  2. Step 2: Convert to fraction form
    49,416.30/74,124.45 = 21,714.30/x
  3. Step 3: Cross multiply
    49,416.30x = 74,124.45 × 21,714.30
  4. Step 4: Simplify right side
    49,416.30x = 1,609,560,544.64
  5. Step 5: Solve for x
    x = 1,609,560,544.64/49,416.30
  6. Step 6: Final answer
    x = 32,571.45

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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.