Home / 64,288.80-96,453.60-31,011.84

Finding the Fourth Proportional to 64,288.80, 96,453.60 and 31,011.84

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Solution

The fourth proportional to 64,288.80, 96,453.60 and 31,011.84 is: 46,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,288.80 : 96,453.60 = 31,011.84 : x
  2. Step 2: Convert to fraction form
    64,288.80/96,453.60 = 31,011.84/x
  3. Step 3: Cross multiply
    64,288.80x = 96,453.60 × 31,011.84
  4. Step 4: Simplify right side
    64,288.80x = 2,991,203,610.62
  5. Step 5: Solve for x
    x = 2,991,203,610.62/64,288.80
  6. Step 6: Final answer
    x = 46,527.60

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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.