Home / 39,241.40-54,153.24-21,336.44

Finding the Fourth Proportional to 39,241.40, 54,153.24 and 21,336.44

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Solution

The fourth proportional to 39,241.40, 54,153.24 and 21,336.44 is: 29,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,241.40 : 54,153.24 = 21,336.44 : x
  2. Step 2: Convert to fraction form
    39,241.40/54,153.24 = 21,336.44/x
  3. Step 3: Cross multiply
    39,241.40x = 54,153.24 × 21,336.44
  4. Step 4: Simplify right side
    39,241.40x = 1,155,437,356.07
  5. Step 5: Solve for x
    x = 1,155,437,356.07/39,241.40
  6. Step 6: Final answer
    x = 29,444.35

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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.