Home / 36,621-50,446.59-31,225.88

Finding the Fourth Proportional to 36,621, 50,446.59 and 31,225.88

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Solution

The fourth proportional to 36,621, 50,446.59 and 31,225.88 is: 43,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,621 : 50,446.59 = 31,225.88 : x
  2. Step 2: Convert to fraction form
    36,621/50,446.59 = 31,225.88/x
  3. Step 3: Cross multiply
    36,621x = 50,446.59 × 31,225.88
  4. Step 4: Simplify right side
    36,621x = 1,575,239,165.75
  5. Step 5: Solve for x
    x = 1,575,239,165.75/36,621
  6. Step 6: Final answer
    x = 43,014.64

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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.