Home / 39,741.27-54,842.94-21,836.25

Finding the Fourth Proportional to 39,741.27, 54,842.94 and 21,836.25

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Solution

The fourth proportional to 39,741.27, 54,842.94 and 21,836.25 is: 30,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,741.27 : 54,842.94 = 21,836.25 : x
  2. Step 2: Convert to fraction form
    39,741.27/54,842.94 = 21,836.25/x
  3. Step 3: Cross multiply
    39,741.27x = 54,842.94 × 21,836.25
  4. Step 4: Simplify right side
    39,741.27x = 1,197,564,148.58
  5. Step 5: Solve for x
    x = 1,197,564,148.58/39,741.27
  6. Step 6: Final answer
    x = 30,134.02

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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.