Home / 43,060.76-64,590.44-20,876.04

Finding the Fourth Proportional to 43,060.76, 64,590.44 and 20,876.04

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Solution

The fourth proportional to 43,060.76, 64,590.44 and 20,876.04 is: 31,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,060.76 : 64,590.44 = 20,876.04 : x
  2. Step 2: Convert to fraction form
    43,060.76/64,590.44 = 20,876.04/x
  3. Step 3: Cross multiply
    43,060.76x = 64,590.44 × 20,876.04
  4. Step 4: Simplify right side
    43,060.76x = 1,348,392,609.06
  5. Step 5: Solve for x
    x = 1,348,392,609.06/43,060.76
  6. Step 6: Final answer
    x = 31,313.72

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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.