Home / 39,637.52-54,701.16-21,732.56

Finding the Fourth Proportional to 39,637.52, 54,701.16 and 21,732.56

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Solution

The fourth proportional to 39,637.52, 54,701.16 and 21,732.56 is: 29,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,637.52 : 54,701.16 = 21,732.56 : x
  2. Step 2: Convert to fraction form
    39,637.52/54,701.16 = 21,732.56/x
  3. Step 3: Cross multiply
    39,637.52x = 54,701.16 × 21,732.56
  4. Step 4: Simplify right side
    39,637.52x = 1,188,796,241.77
  5. Step 5: Solve for x
    x = 1,188,796,241.77/39,637.52
  6. Step 6: Final answer
    x = 29,991.69

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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.