Home / 54,745.56-82,085.76-21,426.12

Finding the Fourth Proportional to 54,745.56, 82,085.76 and 21,426.12

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Solution

The fourth proportional to 54,745.56, 82,085.76 and 21,426.12 is: 32,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,745.56 : 82,085.76 = 21,426.12 : x
  2. Step 2: Convert to fraction form
    54,745.56/82,085.76 = 21,426.12/x
  3. Step 3: Cross multiply
    54,745.56x = 82,085.76 × 21,426.12
  4. Step 4: Simplify right side
    54,745.56x = 1,758,779,344.05
  5. Step 5: Solve for x
    x = 1,758,779,344.05/54,745.56
  6. Step 6: Final answer
    x = 32,126.43

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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.