Home / 39,537.80-54,561.68-21,632.60

Finding the Fourth Proportional to 39,537.80, 54,561.68 and 21,632.60

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Solution

The fourth proportional to 39,537.80, 54,561.68 and 21,632.60 is: 29,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,537.80 : 54,561.68 = 21,632.60 : x
  2. Step 2: Convert to fraction form
    39,537.80/54,561.68 = 21,632.60/x
  3. Step 3: Cross multiply
    39,537.80x = 54,561.68 × 21,632.60
  4. Step 4: Simplify right side
    39,537.80x = 1,180,310,998.77
  5. Step 5: Solve for x
    x = 1,180,310,998.77/39,537.80
  6. Step 6: Final answer
    x = 29,852.72

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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.