Home / 63,524.40-87,662.36-39,318.94

Finding the Fourth Proportional to 63,524.40, 87,662.36 and 39,318.94

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Solution

The fourth proportional to 63,524.40, 87,662.36 and 39,318.94 is: 54,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,524.40 : 87,662.36 = 39,318.94 : x
  2. Step 2: Convert to fraction form
    63,524.40/87,662.36 = 39,318.94/x
  3. Step 3: Cross multiply
    63,524.40x = 87,662.36 × 39,318.94
  4. Step 4: Simplify right side
    63,524.40x = 3,446,791,582.82
  5. Step 5: Solve for x
    x = 3,446,791,582.82/63,524.40
  6. Step 6: Final answer
    x = 54,259.33

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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.