Home / 39,552.09-54,581.31-21,646.83

Finding the Fourth Proportional to 39,552.09, 54,581.31 and 21,646.83

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Solution

The fourth proportional to 39,552.09, 54,581.31 and 21,646.83 is: 29,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,552.09 : 54,581.31 = 21,646.83 : x
  2. Step 2: Convert to fraction form
    39,552.09/54,581.31 = 21,646.83/x
  3. Step 3: Cross multiply
    39,552.09x = 54,581.31 × 21,646.83
  4. Step 4: Simplify right side
    39,552.09x = 1,181,512,338.75
  5. Step 5: Solve for x
    x = 1,181,512,338.75/39,552.09
  6. Step 6: Final answer
    x = 29,872.31

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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.