Home / 47,580.85-65,631.87-30,607.22

Finding the Fourth Proportional to 47,580.85, 65,631.87 and 30,607.22

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Solution

The fourth proportional to 47,580.85, 65,631.87 and 30,607.22 is: 42,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,580.85 : 65,631.87 = 30,607.22 : x
  2. Step 2: Convert to fraction form
    47,580.85/65,631.87 = 30,607.22/x
  3. Step 3: Cross multiply
    47,580.85x = 65,631.87 × 30,607.22
  4. Step 4: Simplify right side
    47,580.85x = 2,008,808,879.00
  5. Step 5: Solve for x
    x = 2,008,808,879.00/47,580.85
  6. Step 6: Final answer
    x = 42,218.85

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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.