Home / 39,548.55-54,576.87-21,643.70

Finding the Fourth Proportional to 39,548.55, 54,576.87 and 21,643.70

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Solution

The fourth proportional to 39,548.55, 54,576.87 and 21,643.70 is: 29,868.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,548.55 : 54,576.87 = 21,643.70 : x
  2. Step 2: Convert to fraction form
    39,548.55/54,576.87 = 21,643.70/x
  3. Step 3: Cross multiply
    39,548.55x = 54,576.87 × 21,643.70
  4. Step 4: Simplify right side
    39,548.55x = 1,181,245,401.22
  5. Step 5: Solve for x
    x = 1,181,245,401.22/39,548.55
  6. Step 6: Final answer
    x = 29,868.24

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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.