Home / 39,429.82-54,405.02-22,659.58

Finding the Fourth Proportional to 39,429.82, 54,405.02 and 22,659.58

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Solution

The fourth proportional to 39,429.82, 54,405.02 and 22,659.58 is: 31,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,429.82 : 54,405.02 = 22,659.58 : x
  2. Step 2: Convert to fraction form
    39,429.82/54,405.02 = 22,659.58/x
  3. Step 3: Cross multiply
    39,429.82x = 54,405.02 × 22,659.58
  4. Step 4: Simplify right side
    39,429.82x = 1,232,794,903.09
  5. Step 5: Solve for x
    x = 1,232,794,903.09/39,429.82
  6. Step 6: Final answer
    x = 31,265.55

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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.