Home / 39,171.26-54,056.34-21,266.24

Finding the Fourth Proportional to 39,171.26, 54,056.34 and 21,266.24

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Solution

The fourth proportional to 39,171.26, 54,056.34 and 21,266.24 is: 29,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.26 : 54,056.34 = 21,266.24 : x
  2. Step 2: Convert to fraction form
    39,171.26/54,056.34 = 21,266.24/x
  3. Step 3: Cross multiply
    39,171.26x = 54,056.34 × 21,266.24
  4. Step 4: Simplify right side
    39,171.26x = 1,149,575,099.96
  5. Step 5: Solve for x
    x = 1,149,575,099.96/39,171.26
  6. Step 6: Final answer
    x = 29,347.41

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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.