Home / 39,539.54-54,562.21-21,633.48

Finding the Fourth Proportional to 39,539.54, 54,562.21 and 21,633.48

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Solution

The fourth proportional to 39,539.54, 54,562.21 and 21,633.48 is: 29,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,539.54 : 54,562.21 = 21,633.48 : x
  2. Step 2: Convert to fraction form
    39,539.54/54,562.21 = 21,633.48/x
  3. Step 3: Cross multiply
    39,539.54x = 54,562.21 × 21,633.48
  4. Step 4: Simplify right side
    39,539.54x = 1,180,370,424.71
  5. Step 5: Solve for x
    x = 1,180,370,424.71/39,539.54
  6. Step 6: Final answer
    x = 29,852.91

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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.