Home / 39,537.56-54,561.34-21,632.31

Finding the Fourth Proportional to 39,537.56, 54,561.34 and 21,632.31

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Solution

The fourth proportional to 39,537.56, 54,561.34 and 21,632.31 is: 29,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,537.56 : 54,561.34 = 21,632.31 : x
  2. Step 2: Convert to fraction form
    39,537.56/54,561.34 = 21,632.31/x
  3. Step 3: Cross multiply
    39,537.56x = 54,561.34 × 21,632.31
  4. Step 4: Simplify right side
    39,537.56x = 1,180,287,548.09
  5. Step 5: Solve for x
    x = 1,180,287,548.09/39,537.56
  6. Step 6: Final answer
    x = 29,852.32

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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.