Home / 39,327.80-54,272.82-21,422.94

Finding the Fourth Proportional to 39,327.80, 54,272.82 and 21,422.94

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Solution

The fourth proportional to 39,327.80, 54,272.82 and 21,422.94 is: 29,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,327.80 : 54,272.82 = 21,422.94 : x
  2. Step 2: Convert to fraction form
    39,327.80/54,272.82 = 21,422.94/x
  3. Step 3: Cross multiply
    39,327.80x = 54,272.82 × 21,422.94
  4. Step 4: Simplify right side
    39,327.80x = 1,162,683,366.49
  5. Step 5: Solve for x
    x = 1,162,683,366.49/39,327.80
  6. Step 6: Final answer
    x = 29,563.91

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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.