Home / 40,814.22-56,319.12-22,905.12

Finding the Fourth Proportional to 40,814.22, 56,319.12 and 22,905.12

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Solution

The fourth proportional to 40,814.22, 56,319.12 and 22,905.12 is: 31,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.22 : 56,319.12 = 22,905.12 : x
  2. Step 2: Convert to fraction form
    40,814.22/56,319.12 = 22,905.12/x
  3. Step 3: Cross multiply
    40,814.22x = 56,319.12 × 22,905.12
  4. Step 4: Simplify right side
    40,814.22x = 1,289,996,201.89
  5. Step 5: Solve for x
    x = 1,289,996,201.89/40,814.22
  6. Step 6: Final answer
    x = 31,606.54

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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.