Home / 39,565.70-54,601.89-21,662.37

Finding the Fourth Proportional to 39,565.70, 54,601.89 and 21,662.37

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Solution

The fourth proportional to 39,565.70, 54,601.89 and 21,662.37 is: 29,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,565.70 : 54,601.89 = 21,662.37 : x
  2. Step 2: Convert to fraction form
    39,565.70/54,601.89 = 21,662.37/x
  3. Step 3: Cross multiply
    39,565.70x = 54,601.89 × 21,662.37
  4. Step 4: Simplify right side
    39,565.70x = 1,182,806,343.88
  5. Step 5: Solve for x
    x = 1,182,806,343.88/39,565.70
  6. Step 6: Final answer
    x = 29,894.74

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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.