Home / 39,555.22-54,586.27-21,651.36

Finding the Fourth Proportional to 39,555.22, 54,586.27 and 21,651.36

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Solution

The fourth proportional to 39,555.22, 54,586.27 and 21,651.36 is: 29,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,555.22 : 54,586.27 = 21,651.36 : x
  2. Step 2: Convert to fraction form
    39,555.22/54,586.27 = 21,651.36/x
  3. Step 3: Cross multiply
    39,555.22x = 54,586.27 × 21,651.36
  4. Step 4: Simplify right side
    39,555.22x = 1,181,866,982.83
  5. Step 5: Solve for x
    x = 1,181,866,982.83/39,555.22
  6. Step 6: Final answer
    x = 29,878.91

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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.