Home / 39,537.51-54,561.73-21,632.59

Finding the Fourth Proportional to 39,537.51, 54,561.73 and 21,632.59

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Solution

The fourth proportional to 39,537.51, 54,561.73 and 21,632.59 is: 29,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,537.51 : 54,561.73 = 21,632.59 : x
  2. Step 2: Convert to fraction form
    39,537.51/54,561.73 = 21,632.59/x
  3. Step 3: Cross multiply
    39,537.51x = 54,561.73 × 21,632.59
  4. Step 4: Simplify right side
    39,537.51x = 1,180,311,534.78
  5. Step 5: Solve for x
    x = 1,180,311,534.78/39,537.51
  6. Step 6: Final answer
    x = 29,852.96

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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.