Home / 39,474.02-54,473.52-21,568.64

Finding the Fourth Proportional to 39,474.02, 54,473.52 and 21,568.64

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Solution

The fourth proportional to 39,474.02, 54,473.52 and 21,568.64 is: 29,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.02 : 54,473.52 = 21,568.64 : x
  2. Step 2: Convert to fraction form
    39,474.02/54,473.52 = 21,568.64/x
  3. Step 3: Cross multiply
    39,474.02x = 54,473.52 × 21,568.64
  4. Step 4: Simplify right side
    39,474.02x = 1,174,919,742.41
  5. Step 5: Solve for x
    x = 1,174,919,742.41/39,474.02
  6. Step 6: Final answer
    x = 29,764.38

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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.