Home / 66,318.04-99,462.34-19,559.96

Finding the Fourth Proportional to 66,318.04, 99,462.34 and 19,559.96

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Solution

The fourth proportional to 66,318.04, 99,462.34 and 19,559.96 is: 29,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,318.04 : 99,462.34 = 19,559.96 : x
  2. Step 2: Convert to fraction form
    66,318.04/99,462.34 = 19,559.96/x
  3. Step 3: Cross multiply
    66,318.04x = 99,462.34 × 19,559.96
  4. Step 4: Simplify right side
    66,318.04x = 1,945,479,391.91
  5. Step 5: Solve for x
    x = 1,945,479,391.91/66,318.04
  6. Step 6: Final answer
    x = 29,335.60

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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.