Home / 39,555.52-54,586.03-21,650.06

Finding the Fourth Proportional to 39,555.52, 54,586.03 and 21,650.06

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Solution

The fourth proportional to 39,555.52, 54,586.03 and 21,650.06 is: 29,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,555.52 : 54,586.03 = 21,650.06 : x
  2. Step 2: Convert to fraction form
    39,555.52/54,586.03 = 21,650.06/x
  3. Step 3: Cross multiply
    39,555.52x = 54,586.03 × 21,650.06
  4. Step 4: Simplify right side
    39,555.52x = 1,181,790,824.66
  5. Step 5: Solve for x
    x = 1,181,790,824.66/39,555.52
  6. Step 6: Final answer
    x = 29,876.76

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1.5x scale

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.