Home / 40,819.96-56,343.78-23,828.80

Finding the Fourth Proportional to 40,819.96, 56,343.78 and 23,828.80

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Solution

The fourth proportional to 40,819.96, 56,343.78 and 23,828.80 is: 32,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,819.96 : 56,343.78 = 23,828.80 : x
  2. Step 2: Convert to fraction form
    40,819.96/56,343.78 = 23,828.80/x
  3. Step 3: Cross multiply
    40,819.96x = 56,343.78 × 23,828.80
  4. Step 4: Simplify right side
    40,819.96x = 1,342,604,664.86
  5. Step 5: Solve for x
    x = 1,342,604,664.86/40,819.96
  6. Step 6: Final answer
    x = 32,890.89

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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.