Home / 45,305.30-62,499.62-31,884.01

Finding the Fourth Proportional to 45,305.30, 62,499.62 and 31,884.01

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Solution

The fourth proportional to 45,305.30, 62,499.62 and 31,884.01 is: 43,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,305.30 : 62,499.62 = 31,884.01 : x
  2. Step 2: Convert to fraction form
    45,305.30/62,499.62 = 31,884.01/x
  3. Step 3: Cross multiply
    45,305.30x = 62,499.62 × 31,884.01
  4. Step 4: Simplify right side
    45,305.30x = 1,992,738,432.54
  5. Step 5: Solve for x
    x = 1,992,738,432.54/45,305.30
  6. Step 6: Final answer
    x = 43,984.66

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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.