Home / 65,705.72-98,558.62-21,332.52

Finding the Fourth Proportional to 65,705.72, 98,558.62 and 21,332.52

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Solution

The fourth proportional to 65,705.72, 98,558.62 and 21,332.52 is: 31,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,705.72 : 98,558.62 = 21,332.52 : x
  2. Step 2: Convert to fraction form
    65,705.72/98,558.62 = 21,332.52/x
  3. Step 3: Cross multiply
    65,705.72x = 98,558.62 × 21,332.52
  4. Step 4: Simplify right side
    65,705.72x = 2,102,503,732.32
  5. Step 5: Solve for x
    x = 2,102,503,732.32/65,705.72
  6. Step 6: Final answer
    x = 31,998.79

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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.