Home / 54,684.96-82,034.27-21,400.72

Finding the Fourth Proportional to 54,684.96, 82,034.27 and 21,400.72

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Solution

The fourth proportional to 54,684.96, 82,034.27 and 21,400.72 is: 32,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,684.96 : 82,034.27 = 21,400.72 : x
  2. Step 2: Convert to fraction form
    54,684.96/82,034.27 = 21,400.72/x
  3. Step 3: Cross multiply
    54,684.96x = 82,034.27 × 21,400.72
  4. Step 4: Simplify right side
    54,684.96x = 1,755,592,210.84
  5. Step 5: Solve for x
    x = 1,755,592,210.84/54,684.96
  6. Step 6: Final answer
    x = 32,103.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.