Home / 39,559.81-54,593.06-21,654.43

Finding the Fourth Proportional to 39,559.81, 54,593.06 and 21,654.43

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Solution

The fourth proportional to 39,559.81, 54,593.06 and 21,654.43 is: 29,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,559.81 : 54,593.06 = 21,654.43 : x
  2. Step 2: Convert to fraction form
    39,559.81/54,593.06 = 21,654.43/x
  3. Step 3: Cross multiply
    39,559.81x = 54,593.06 × 21,654.43
  4. Step 4: Simplify right side
    39,559.81x = 1,182,181,351.50
  5. Step 5: Solve for x
    x = 1,182,181,351.50/39,559.81
  6. Step 6: Final answer
    x = 29,883.39

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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.