Home / 39,297.84-54,232.32-21,393.60

Finding the Fourth Proportional to 39,297.84, 54,232.32 and 21,393.60

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Solution

The fourth proportional to 39,297.84, 54,232.32 and 21,393.60 is: 29,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,297.84 : 54,232.32 = 21,393.60 : x
  2. Step 2: Convert to fraction form
    39,297.84/54,232.32 = 21,393.60/x
  3. Step 3: Cross multiply
    39,297.84x = 54,232.32 × 21,393.60
  4. Step 4: Simplify right side
    39,297.84x = 1,160,224,561.15
  5. Step 5: Solve for x
    x = 1,160,224,561.15/39,297.84
  6. Step 6: Final answer
    x = 29,523.88

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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.