Home / 53,723.72-80,601.68-21,686.30

Finding the Fourth Proportional to 53,723.72, 80,601.68 and 21,686.30

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Solution

The fourth proportional to 53,723.72, 80,601.68 and 21,686.30 is: 32,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,723.72 : 80,601.68 = 21,686.30 : x
  2. Step 2: Convert to fraction form
    53,723.72/80,601.68 = 21,686.30/x
  3. Step 3: Cross multiply
    53,723.72x = 80,601.68 × 21,686.30
  4. Step 4: Simplify right side
    53,723.72x = 1,747,952,166.45
  5. Step 5: Solve for x
    x = 1,747,952,166.45/53,723.72
  6. Step 6: Final answer
    x = 32,535.95

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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.