Home / 43,134.67-64,697.73-13,551.72

Finding the Fourth Proportional to 43,134.67, 64,697.73 and 13,551.72

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Solution

The fourth proportional to 43,134.67, 64,697.73 and 13,551.72 is: 20,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,134.67 : 64,697.73 = 13,551.72 : x
  2. Step 2: Convert to fraction form
    43,134.67/64,697.73 = 13,551.72/x
  3. Step 3: Cross multiply
    43,134.67x = 64,697.73 × 13,551.72
  4. Step 4: Simplify right side
    43,134.67x = 876,765,521.60
  5. Step 5: Solve for x
    x = 876,765,521.60/43,134.67
  6. Step 6: Final answer
    x = 20,326.24

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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.